


资质认证
- ISO 2916:1975
- Wool — Determination of alkali content
- 1975-06-30
- ISO 1756:1975
- Industrial trucks — Dimensions of stillages — Connection gauge
- 1975-05-31
- ISO 938:1975
- Hand-operated stillage trucks — Principal dimensions
- 1975-05-31
- ISO 2205:1975
- Textile machinery and accessories — Drafting arrangements for spinning machines — Terminology
- 1975-05-31
- ISO 1068:1975
- Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of compacted apparent bulk density
- 1975-05-31
- ISO 3196:1975
- Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
- 1975-04-30
- ISO 3038:1975
- Corrugated fibreboard — Determination of the water resistance of the glue bond by immersion
- 1975-04-30
- ISO 493:1975
- Aircraft — Dimensions for single-hole mounting (Class 1 and Class 2) lever-operated manual switches
- 1975-04-30
- ISO 2913:1975
- Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
- 1975-04-30
- ISO 2915:1975
- Wool — Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
- 1975-04-30
- ISO 3190:1975
- Test conditions for turret and single spindle co-ordinate drilling machines with vertical spindle — Testing of the accuracy
- 1975-04-30
- ISO 2533:1975
- Standard Atmosphere
- 1975-04-30
- ISO 3314:1975
- Shell drills with taper bore (taper bore 1 : 30 (included)) with slot drive
- 1975-04-30
- ISO 1066:1975
- Analysis of soaps — Determination of glycerol content — Titrimetric method
- 1975-04-30
- ISO 1154:1975
- Information processing - Punched paper tape - Dimensions and location of feed holes and code holes
- 1975-04-03
- ISO 1154:1975
- Information processing - Punched paper tape - Dimensions and location of feed holes and code holes
- 1975-04-03
- ISO 1154:1975
- Information processing — Punched paper tape — Dimensions and location of feed holes and code holes
- 1975-03-31
- ISO 737:1975
- Coniferous sawn timber — Sizes — Methods of measurement
- 1975-03-31
- ISO 1971:1975
- Aircraft — Accessory drives and mounting pads
- 1975-02-28
- ISO 1684:1975
- Wire, bar and tube drawing dies — Specifications
- 1975-02-28