gb/t1222-1984
gb/t1222-1984, Total:2 items.
The international standard classification for "gb/t1222-1984" includes: Steels , Spring steels .
The Chinese standard classification for "gb/t1222-1984" includes: Profile steel and deformed steel , Steel and iron products in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 1222-2016 Spring steels
- GB/T 1222-1984 Spring steels
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