Browse Standards
Found: 124382 — page 2588 of 2592
Valid
GB 3380-1982 — Ringing and tone for telephone automatic switching network
National·Mandatory
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$264.005 pages
Valid
GB 5126-1982 — Eddy current inspection method for cold drawn thin wall tubes of aluminum and aluminum alloy
National·Mandatory
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$254.008 pages
Valid
GB/T 3103.2-1982 — Tolerances for fasteners. Bolts, screws and nuts for fine mechanics
National·Recommended
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$264.006 pages
Valid
GB/T 3104-1982 — Fasteners. Widths across flats of hexagon products
National·Recommended
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$104.001 pages
Valid
GB/T 3144-1982 — Toluene. Determination of hydrocarbon impurities. Gas chromatographic method
National·Recommended
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$169.005 pages
Valid
GB/T 3146-1982 — Industrial aromatic hydrocarbons and related materials -- Determination of distillation range -- Part 1: Distillation method
National·Recommended
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$344.0011 pages
Valid
GB/T 3238-1982 — Acoustical levels and refrence quantities
National·Recommended
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$55.002 pages
Valid
GB/T 3239-1982 — Expression of physical and subjective magnitudes of sound and noise in air
National·Recommended
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$164.004 pages
Valid
GB/T 3240-1982 — Preferred frequencies for the acoustical measurement
National·Recommended
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$124.002 pages
Valid
GB/T 3290-1982 — Dimensions and characteristics of magnetic tape reel for information interchange
National·Recommended
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$199.006 pages
Valid
GB/T 3307-1982 — Method of heater intermittent test of low-power electronic tubes
National·Recommended
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$165.0015 pages
Valid
GB/T 3351-1982 — Designations for synthetic quartz crystals
National·Recommended
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$104.001 pages
Valid
GB/T 3361-1982 — Statistical interpretation of data. Comparison of two means in the case of paired observations
National·Recommended
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$264.006 pages
Valid
GB/T 3380-1982 — Ringing and tone for telephone automatic switching network
National·Recommended
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$60.0015 pages
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
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$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