Home / Standards / GB/T 15390-2005 GB/T 15390-2005 Active Cranked-link mill chains of welded construction,attachments and sprockets 工程用焊接结构弯板链、附件和链轮 Standard Type GBT ICS 21.220.30 CCS J18 Status 现行 Issue Date 2005-09-19 Implementation 2006-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会