GB/T 3780.21-1991

Carbon black used in rubber products--Determination of sieve residue--Water washing method

NORMA vydaná dňa 23.4.1991

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The information about the standard:

Designation standards: GB/T 3780.21-1991
Note: NEPLATNÁ
Publication date standards: 23.4.1991
Country: Chinese technical standard
Kategória: Technické normy GB