Home / Standards / GB/T 3507-1983 GB/T 3507-1983 Abolished Nominal torque series of the mechanical coupling 机械式联轴器公称扭矩系列 Standard Type GBT ICS 21.120.20 CCS J19 Status 废止 Issue Date 1983-02-23 Implementation 1983-12-01 Responsible Dept 国家标准委 Drafting Unit N/A