Browse Standards
Found: 189235 — page 3933 of 3943
Valid
SJ/Z 1763-1981 — Typical calculations for 50Hz three-phase power transformers using E-cores
National·Recommended
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$385.0020 pages
Valid
SJ/Z 1792-1981 — Electrical performance requirements for assembling of special equipment for electronic industry
National·Recommended
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$209.004 pages
Valid
SJ/Z 1850-1981 — Design for medium and low-duty audio transformers
National·Recommended
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$2,300.00113 pages
Valid
SJ/Z 1941-1981 — General specification for machining operation of special equipment for electronic industry
National·Recommended
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$25.001 pages
Superseded
TB/T 1395-1981 — 110-volt control power screen technology conditions
National·Recommended
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$55.00PDF
Superseded
YB/T 951-1981 — Ultrasonic rail flaw detection method
National·Recommended
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$205.00PDF
Superseded
GB 1892-1980 — Food additive--Calcium sulfate
National·Mandatory
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$169.00PDF
Superseded
GB 1916-1980 — Food additive--Tertiary butyl-4-hydroxyl anisole
National·Mandatory
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$169.00PDF
Superseded
GB 1917-1980 — Food additive--Liquid carbon dioxide
National·Mandatory
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$169.00PDF
Valid
GB 1919-1980 — Potassium hydroxide for industrial use
National·Mandatory
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$245.0013 pages
Superseded
GB 1922-1980 — Solvent naphthas
National·Mandatory
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$105.00PDF
Superseded
GB 1975-1980 — Food additive--Agar
National·Mandatory
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$205.00PDF
Superseded
GB 1976-1980 — Food additive--Sodium alga acid
National·Mandatory
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$209.00PDF
Valid
GB 2017-1980 — Covering technique of the medium-wave broadcastingnetwork
National·Mandatory
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$225.0015 pages
Valid
GB 2290-1980 — Coal tar pitch
National·Mandatory
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$165.004 pages
Valid
GB 2312-1980 — [GB/T 2312-1980] Code of chinese graphic character set for information interchange--Primary set
National·Mandatory
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$2,300.0015 pages
Valid
GB/T 1762-1980 — Method of test for after-tack of paint films
National·Recommended
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$65.004 pages
Valid
GB/T 1900-1980 — National food safety standards of food additives dibutyl hydroxy toluene (BHT)
National·Recommended
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$164.006 pages
Superseded
GB/T 1952-1980 — Low pressure bronze male screw-thread check valve for marine use
National·Recommended
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$115.00PDF
Superseded
GB/T 1954-1980 — Determination of the welding seam iron element content in chromium, nickel austenitic stainless steel
National·Recommended
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$125.00PDF
Superseded
GB/T 1958-1980 — Rules for inspection of form and position tolerances
National·Recommended
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$1,290.00PDF
Valid
GB/T 1989-1980 — Methods for indication of the 7-bit encoding character set for information processing switching on 12.7mm magnetic tape
National·Recommended
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$89.003 pages
Superseded
GB/T 1999-1980 — Sampling method for light oils of coking products
National·Recommended
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$285.00PDF
Superseded
GB/T 2013-1980 — Method for determination density of benzene products
National·Recommended
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$165.00PDF
Valid
GB/T 2020-1980 — Recording magnetic tape with 9 magnetic tracks, 12.7mm width and 32 lines/mm for information processing exchange
National·Recommended
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$199.006 pages
Superseded
GB/T 2029-1980 — Cast steel suction valve for seaward sluice
National·Recommended
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$55.00PDF
Superseded
GB/T 2030-1980 — Bronze suction valve for seaward sluice
National·Recommended
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$135.00PDF
Superseded
GB/T 2033-1980 — Sheep with long-staple wool
National·Recommended
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$300.00PDF
Superseded
GB/T 2054-1980 — Nickel and nickel alloy sheets
National·Recommended
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$230.00PDF
Superseded
GB/T 2056-1980 — Copper sheets for anode in electro-plate
National·Recommended
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$85.00PDF
Superseded
GB/T 2288-1980 — Method for the determination of water content of coal--Carbonization products
National·Recommended
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$105.00PDF
Superseded
GB/T 2291-1980 — Method for preparation of coal tar pitchs specimens
National·Recommended
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$85.00PDF
Superseded
GB/T 2295-1980 — Method for determination of coal tar pitch ash content
National·Recommended
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$75.00PDF
Valid
GB/T 2312-1980 — Code of Chinese graphic character setfor information interchange--Primary set
National·Recommended
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$2,225.00129 pages
Valid
GB/T 2347-1980 — Hydraulic fluid power--Pumps and motors--Geometric displacements
National·Recommended
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$65.0015 pages
Valid
GB/T 2349-1980 — Fluid power systems and components--Cylinders--Basic series of piston strokes
National·Recommended
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$65.0015 pages
Superseded
GB/T 2350-1980 — Fluid power systems and components. Cylinders. Piston rod thread dimensions and types
National·Recommended
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$135.00PDF
Superseded
GB/T 2389-1980 — Determination of relative content of hydrolyzed dye in reactive dyes and standards specimens
National·Recommended
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$75.00PDF
Superseded
GB/T 2392-1980 — Determination of heat stability for reactive dyes
National·Recommended
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$75.00PDF
Superseded
GB/T 2400-1980 — Determination of compatibility indices of cationic dyes used for dyeing acrylic fibres
National·Recommended
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$185.00PDF
Superseded
GB/T 2401-1980 — Determination of saturation value of fibre, saturation value of dyestuff and saturation factor in dyeing acrylic fibres with cationic dyes
National·Recommended
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$195.00PDF
Superseded
GB/T 2403-1980 — Determination of suitable pH range of the dye both for the dyeing of acrylic fibres with cationic dyes
National·Recommended
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$85.00PDF
Superseded
GB/T 2407-1980 — Plastics--Combustion performance test--Blazing rod method
National·Recommended
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$65.00PDF
Superseded
GB/T 2410-1980 — Transparent plastics--Transmissivity and haze test
National·Recommended
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$55.00PDF
Superseded
GB/T 2411-1980 — Plastics--Shore hardness test
National·Recommended
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$55.00PDF
Superseded
GB/T 2412-1980 — Polypropylene--Method of determination of normal indices
National·Recommended
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$300.00PDF
Superseded
GB/T 321-1980 — Preferred numbers and preferred number series
National·Recommended
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$139.00PDF
Valid
HG/T 3190-1980 — Trough graphite plate heat exchanger series
Industry·Recommended
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$165.0015 pages