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This standard specifies the acetrione colorimetric method for the determination of amino acid content in cosmetics. This standard
QB/T 2402-1998 Watch case and strap connection dimensions series QB/T2402-1998 Standard download decompression password: www.bzxz.
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and stor
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging,
This standard specifies the product specifications, dimensions, technical requirements, test methods, inspection rules and marking
This standard specifies the technical requirements, test methods, quality inspection rules and marking, packaging, transportation
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, tr
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging