Home / Standards / GB/T 5858-1997 GB/T 5858-1997 Active Heavy-duty cranked-link transmission roller chains and chain wheels 重载传动用弯板滚子链和链轮 Standard Type GBT ICS 21.220.30 CCS J18 Status 现行 Issue Date 1997-07-04 Implementation 1997-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A