Browse Standards
Found: 225892 — page 2924 of 4707
Superseded
GB/T 21944.3-2008 — Special products of silicon carbide - Kiln furniture of reaction bonded silicon carbide - Part 3: Rollers
National·Recommended
Instant delivery (0–9 sec)
$135.00PDF
Valid
GB/T 21945-2008 — Numerical control sector gear shaping machines - Testing of the accuracy
National·Recommended
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$105.0022 pages
Valid
GB/T 21946-2008 — Numerical control gear shaving machines - Testing of the accuracy
National·Recommended
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$255.0015 pages
Valid
GB/T 21947-2008 — Numerically milling machines for special screws - Testing of the accuracy
National·Recommended
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$195.0015 pages
Valid
GB/T 21948.1-2008 — Test conditions for CNC milling machines with table of variable height -- Testing of accuracy -- Part 1: Machines with horizontal spindle
National·Recommended
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$225.0017 pages
Valid
GB/T 21948.2-2008 — Test conditions for CNC milling machines with table of variable height - Testing of accuracy - Part 2: Machines with vertical spindle
National·Recommended
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$300.0014 pages
Valid
GB/T 21949.1-2008 — CNC universal tool milling machines - Part 1: Testing of the accuracy
National·Recommended
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$105.0031 pages
Valid
GB/T 21949.2-2008 — CNC universal tool milling machines - Part 2: Specifications
National·Recommended
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$225.0020 pages
Valid
GB/T 21950-2008 — Plunge shaving cutters
National·Recommended
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$229.0015 pages
Superseded
GB/T 21951-2008 — Cubic boron nitride inserts, tipped or solid - Dimensions
National·Recommended
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$385.00PDF
Superseded
GB/T 21952-2008 — Polycrystalline diamond inserts, tipped - Dimensions
National·Recommended
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$385.00PDF
Valid
GB/T 21953-2008 — Single point cutting tool -- Corner radii
National·Recommended
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$59.003 pages
Valid
GB/T 21954.1-2008 — Metal cutting band saw blades -- Part 1: Terms
National·Recommended
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$135.009 pages
Valid
GB/T 21954.2-2008 — Metal cutting band saw blades -- Part 2: Characteristics and dimensions
National·Recommended
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$85.004 pages
Valid
GB/T 21955-2008 — Tractors and machinery for agriculture and forestry - Paper friction disc - Technical specifications
National·Recommended
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$165.0017 pages
Superseded
GB/T 21956.1-2008 — The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 1: Static testing method of front mounted ROPS
National·Recommended
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$770.00PDF
Superseded
GB/T 21956.2-2008 — The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 2: Dynamic testing method of front mounted ROPS
National·Recommended
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$650.00PDF
Superseded
GB/T 21956.3-2008 — The strength testing method and accepting condition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 3: Static testing method of rear mounted ROPS
National·Recommended
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$295.00PDF
Valid
GB/T 21957-2008 — The fatigue-life testing method of the axle shaft and drive shaft on the test stand, wheeled agricultural tractor
National·Recommended
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$115.008 pages
Superseded
GB/T 21958-2008 — Front drive axle for wheeled tractor
National·Recommended
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$475.00PDF
Valid
GB/T 21959-2008 — Tractor-trailer combination - Specifications
National·Recommended
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$100.0015 pages
Valid
GB/T 21960-2008 — The testing method and accepting condition of the driver seat on agricultural and forestry tractors
National·Recommended
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$355.0022 pages
Superseded
GB/T 21961-2008 — Test methods for maize combine harvester
National·Recommended
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$165.00PDF
Superseded
GB/T 21962-2008 — Technical requirements for maize combine harvester
National·Recommended
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$75.0012 pages
Superseded
GB/T 21963-2008 — Agricultural machinery maintenance and repair terms
National·Recommended
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$355.00PDF
Superseded
GB/T 21964-2008 — Repair of agricultural machines - Safety regulations
National·Recommended
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$85.00PDF
Superseded
GB/T 21965-2008 — Steel wire ropes - Vocabulary for acceptance and defect
National·Recommended
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$420.00PDF
Superseded
GB/T 21967-2008 — YBZE, YBZSE Range three-phase induction motors for crane application flameproof electromagnetic braking technical specifications
National·Recommended
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$300.00PDF
Superseded
GB/T 21968-2008 — Technical specification for YBZS range of flame-proof double-speed three-phase induction motors for crane application
National·Recommended
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$240.00PDF
Superseded
GB/T 21969-2008 — Technical specification for YGP Series Variable - Frequency Adjustable-Speed Three-Phase Induction Motors for Roll Table Application
National·Recommended
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$300.00PDF
Valid
GB/T 21970-2008 — Water quality - Determiniation of putrescine,cadaverine, spermidine,spermine and histamine - High performance liquid chromatography method
National·Recommended
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$105.0015 pages
Superseded
GB/T 21971-2008 — Technical specification for YZD range of multi-speed three-phase induction motors for crane application
National·Recommended
Instant delivery (0–9 sec)
$210.00PDF
Superseded
GB/T 21972.1-2008 — Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical application - Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applica
National·Recommended
Instant delivery (0–9 sec)
$360.00PDF
Superseded
GB/T 21973-2008 — Technical specification for YZR3 range of wound-rotor three-phase induction motors for crane and metallurgical applications
National·Recommended
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$315.00PDF
Superseded
GB/T 21974-2008 — Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application
National·Recommended
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$295.00PDF
Valid
GB/T 21975-2008 — Method of test for reliability of three-phase induction motors for crane and metallurgical application
National·Recommended
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$195.0015 pages
Superseded
GB/T 21977-2008 — Camel wool
National·Recommended
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$210.00PDF
Valid
GB/T 21978.3-2008 — Instrument for precipitation observation - Part 3: Siphon rainfall recorder
National·Recommended
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$135.0019 pages
Valid
GB/T 21978.6-2008 — Intrument for precipitation observation - Part 6: Melted snow type rain and snow recorder
National·Recommended
Instant delivery (0–9 sec)
$135.0015 pages
Withdrawn
GB/T 21979-2008 — Feed grade - L-Threonine
National·Recommended
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$135.00PDF
Superseded
GB/T 21980-2008 — Current technical criterion for sportswear and exposure suit
National·Recommended
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$210.00PDF
Valid
GB/T 21981-2008 — Determination of hormone multiresidues in foodstuffs of animal origin - LC-MS/MS method
National·Recommended
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$155.0051 pages
Superseded
GB/T 21982-2008 — Determination of residues of zearalanol, β-zearalanol, α-zearalenol, β-zearalenol, zearalanone and zearalenone in foodstuffs of animal origin - LC-MC/MS method
National·Recommended
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$225.00PDF
Superseded
GB/T 21983-2008 — Warm winter grade
National·Recommended
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$150.00PDF
Superseded
GB/T 21984-2008 — Short-range weather forecast
National·Recommended
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$205.00PDF
Valid
GB/T 21985-2008 — Temperature index of high temperature harm for main crops
National·Recommended
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$70.008 pages
Valid
GB/T 21986-2008 — Assessment of agroclimate impact: classfication method of annual crop climate types
National·Recommended
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$85.008 pages
Superseded
GB/T 21987-2008 — Grades of cold wave
National·Recommended
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$85.00PDF