gb/t1221-1992
gb/t1221-1992, Total:3 items.
The international standard classification for "gb/t1221-1992" includes: Stainless steels .
The Chinese standard classification for "gb/t1221-1992" includes: Steel and iron products in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 1221-2007 Heat-resistant steel bars
- GB/T 1221-1992 Heat-resisting steel bars
- GB/T 13466～13470-1992 Economic operation and calculation method of AC electric drive fan (pump, compressor) system {2006.12.1 was replaced (GB/T 13466)}
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