Amino straight
Amino straight, Total:2 items.
The international standard classification for "Amino straight" includes: .
The Chinese standard classification for "Amino straight" includes: Steel and iron alloy analysis method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 223.50-1994 Methods for chemical analysis of iron, steel and alloy The phenylfuorone-CTMAB direct photometric method for the determination of tin content
- GB 223.50-1985 Methods for chemical analysis of iron, steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
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