Browse Standards
Found: 124704 — page 2595 of 2598
Valid
GB/T 3383-1982 — Telecommunication transmission unit--Decibel
National·Recommended
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$55.0015 pages
Valid
GB/T 3398-1982 — Plastics -- Determination of hardness -- Part 1: Ball indentation method
National·Recommended
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$129.006 pages
Valid
GB/T 3399-1982 — Test method for thermal conductivity of plastics by means of the guarded hot plate
National·Recommended
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$155.007 pages
Valid
GB/T 3403-1982 — Plastics -- Urea-formaldehyde and urea/melamine-formaldehyde powder moulding compounds (UF-and UF/MF-PMCs) -- Part 1: Designation system and basis for specifications
National·Recommended
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$129.006 pages
Valid
GB/T 3451-1982 — Standard tuning frequency
National·Recommended
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$124.002 pages
Valid
GB/T 3455-1982 — Electrical characteristics for unbalanced double-current interchange circuits
National·Recommended
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$169.005 pages
Valid
HG/T 3143-1982 — LPG tank car technical conditions
National·Recommended
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$404.008 pages
Valid
JB 2670-1982 — Metal-cutting machine tools - General rules for testing of accuracy
Industry·Mandatory
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$1,929.0041 pages
Valid
JB 3157-1982 — Classification of environmental parameters for electrical products (climatic and chemical environmental factors)
Industry·Mandatory
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$165.0015 pages
Valid
JB/T 3070-1982 — Magnesium alloy die castings - Technical specifications
Industry·Recommended
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$169.0015 pages
Valid
JB/T 3140-1982 — Anti-corona standard for high-voltage motors used at high altitude
Industry·Recommended
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$45.0015 pages
Valid
JB/T 3144-1982 — Ultrasonic inspection of fillet welds of large-diameter pipe sockets of boilers
Industry·Recommended
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$189.0015 pages
Valid
JB/T 3171-1982 — Traction transformers and reactors for electric locomotives
Industry·Recommended
Instant delivery (0–9 sec)
$105.0015 pages
Valid
MT 62-1982 — Test method and judge rules of safety of permissible electric detonator for coal mining in firedamp
National·Mandatory
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$214.004 pages
Valid
SJ 2127-1982 — Film couplers
National·Mandatory
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$184.003 pages
Valid
SJ 2133-1982 — Method of accelerated life test for oxide cathode
National·Mandatory
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$444.009 pages
Valid
SJ 2193-1982 — Electrical parameter series for chokes of rectifier filters
National·Mandatory
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$124.002 pages
Valid
SJ 2194-1982 — CDL-100/C filter chokes using C-cores (inputted by capacitance)
National·Mandatory
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$684.0013 pages
Valid
SJ 2195-1982 — CDL-100/L filter chokes using C-cores (inputted by inductance)
National·Mandatory
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$684.0013 pages
Valid
SJ 2254-1982 — General requirements for analysis of cathode carbonate (Provisional)
National·Mandatory
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$104.001 pages
Superseded
GB 2424.6-1981 — Environmental testing - Part 3: Supporting documentation and guidance - Confirmation of the performance of temperature/humidity chambers
National·Mandatory
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$165.0013 pages
Valid
GB 2463-1981 — Pyrites and concentrate -- Determination of total iron content -- Cerium sulfate volumetric and potassium dichromate volumetric methods
National·Mandatory
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$165.006 pages
Valid
GB 2466-1981 — Pyrites and concentrate -- Determination of copper content -- Flame atomic absorption spectrometric and spectrophotometric methods
National·Mandatory
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$165.005 pages
Valid
GB 2467-1981 — Pyrites and concentrate -- Determination of lead content -- Flame atomic absorption spectrometric and EDTA volumetric methods
National·Mandatory
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$165.006 pages
Valid
GB 2468-1981 — Pyrites and concentrate -- Determination of zinc content -- Flame atomic absorption spectrometric and spectrophotometric methods
National·Mandatory
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$165.006 pages
Valid
GB 2670-1981 — Hexalobular socket pan head tapping screws
National·Mandatory
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$94.004 pages
Valid
GB 2679.2-1981 — Sheet materials -- Determination of water vapour transmission rate -- Gravimetric (Dish) method
National·Mandatory
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$169.006 pages
Valid
GB 2715-1981 — Hygienic standard for grains
National·Mandatory
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$165.008 pages
Valid
GB 694-1981 — Chemical reagent -- Sodium acetate anhydrous
National·Mandatory
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$165.007 pages
Valid
GB/T 2432-1981 — Gasoline--Determination of tetraethyl lead content. Complexometric titration method
National·Recommended
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$60.007 pages
Valid
GB/T 2541-1981 — Petroleum products--Computation table for viscosity indices
National·Recommended
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$12,735.00708 pages
Valid
GB/T 2625-1981 — Process detection and controlflow chart--Symbols and letter codes
National·Recommended
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$125.0015 pages
Valid
GB/T 2683-1981 — Test chart for facsimile transmission
National·Recommended
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$45.0015 pages
Valid
GB/T 2689.1-1981 — Constant stress life tests and acceleration life tests. General rules
National·Recommended
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$164.004 pages
Valid
GB/T 2689.2-1981 — Life test and acceleration life test charts. Evaluation of their Weibull distributions
National·Recommended
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$264.006 pages
Valid
GB/T 2689.3-1981 — Life test and acceleration life test. Simple linear deflection-free. Evaluation of Weibull distributions
National·Recommended
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$234.005 pages
Valid
GB/T 2689.4-1981 — Life test and acceleration life test. Optimal linear deflection-free. Evaluation of Weibull distributions
National·Recommended
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$264.006 pages
Valid
GB/T 2880-1981 — Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtolerances of housings--Narrow section series
National·Recommended
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$115.0015 pages
Valid
JB 2949-1981 — Specification of industrial and mining electric locomotive pantograph
National·Mandatory
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$234.005 pages
Valid
JB/T 2765-1981 — Valves - Terminology
Industry·Recommended
Instant delivery (0–9 sec)
$749.0031 pages
Valid
JB/T 2933-1981 — Industrial and mining electric locomotives - Product type designation method
Industry·Recommended
Instant delivery (0–9 sec)
$175.0015 pages
Valid
JB/T 2949-1981 — Pantographs for industrial and mining electric locomotives - Technical specifications
Industry·Recommended
Instant delivery (0–9 sec)
$75.0015 pages
Valid
SJ 1822-1981 — Preferred fine-pitch straight bevel gears
National·Mandatory
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$264.006 pages
Valid
GB 1919-1980 — Potassium hydroxide for industrial use
National·Mandatory
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$245.0013 pages
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/T 1762-1980 — Method of test for after-tack of paint films
National·Recommended
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$55.004 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