Gb T 12903 2008 Translated English Of Chinese Standard Gbt 12903 2008 Gb T12903 2008 Gbt12903 2008

This Standard specifies the terms and definitions of personal protective equipment. This Standard is applicable to the formulation and revision of relevant standards; preparation of the technical documents; as well as the compilation and translation of professional manuals, teaching materials, books and periodicals, etc. This Standard is not applicable to personal protective equipment for medical rescue.

This Part of GB/T 19363.1 specifies the translation services - translation services specifications. This Part is applicable to translation services.

This part of GB/T 6403 specifies the general-purpose cylindrical surface knurling type and size. This part applies to cylindrical knurling for general purposes.

This Standard specifies the technical requirements, test methods, as well as packaging, marking, storage, safety warning of pure nitrogen, high purity nitrogen and ultra pure nitrogen products. This Standard applies to gaseous or liquid pure nitrogen, high purity nitrogen and ultra-pure nitrogen obtained from air separation or purification. They are mainly used as the protective gas, replacement gas, reaction gas, etc. Molecular formula: N2. Relative molecular mass: 28.1034 (according to relative atomic mass in 2005).

This standard specifies the classification code, ordering information, dimension appearance and permissible variation, technical specifications, test methods and, test rules as well as package, marking and quality certificates etc of the hot-rolled quality carbon structural steel strips.

This Standard specifies the method principle, apparatus, sampling and sample preparation, test procedures, results calculation and precision etc. of the coke with particle size greater than 60mm and 25mm. This Standard is applicable to the determination of mechanical strength of coke with particle size no less than 25mm. The coke with particle size less than 25mm can also refer to this Standard.

This Standard specifies the requirements, test methods, inspection rules, packaging, marking, transportation, storage and safety requirements of butadiene for industrial use. This Standard applies to the butadiene that is produced by extractive distillation, of which dimethylformamide, acetonitrile, or N-methylpyrrolidone is used as the solvent.

This standard specifies general specifications for acceptance, packaging, marking and certification for section steel (steel bar and rod). This Standard is applicable to hot rolling, cold drawing (rolling), forging and heat treating section steel.