gbt4231-20
gbt4231-20, Total:3 items.
The international standard classification for "gbt4231-20" includes: Steel bars and rods .
The Chinese standard classification for "gbt4231-20" includes: Steel sheet and strip .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 20 Public Employment Service General Rules
- GB/T-20× Public Employment Service General Rules
- GB/T 4231-1993 Cold rolled stainless steel strips for springs
