Home / Standards / GB/T 1340-1988 GB/T 1340-1988 Active Supports for self-locking nuts,anchor floating,Gang channel 成组游动托板自锁螺母支架 Standard Type GBT ICS 21.060.20 CCS J13 Status 现行 Issue Date 1988-12-22 Implementation 1989-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A