GB 5231
GB 5231, Total:3 items.
The international standard classification for "GB 5231" includes: Copper and copper alloys , Copper products .
The Chinese standard classification for "GB 5231" includes: Heavy metals and their alloys .
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 5231-2001 Wrought Copper and Copper Alloys Chemical Composition Limits and Forms of Wrought Products
- GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys
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