Home / Standards / GB/T 27683-2011 GB/T 27683-2011 Abolished Specifications for recovery of cutting filings of free-cutting copper alloys 易切削铜合金切削废屑回收规范 Standard Type GBT ICS 77.150.30 CCS H62 Status 废止 Issue Date 2011-12-30 Implementation 2012-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A