
Methods for chemical analysis of iron, steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
NORMA vydaná dňa 1.1.1985
Designation standards: GB 223.50-1985
Note: NEPLATNÁ
Publication date standards: 1.1.1985
Country: Chinese technical standard
Kategória: Technické normy GB