Home / Standards / GB/T 120.1-2000 GB/T 120.1-2000 Active Parallel pins with internal thread,of unhardened steel and austenitic stainless steel 内螺纹圆柱销 不淬硬钢和奥氏体不锈钢 Standard Type GBT ICS 21.060.50 CCS J13 Status 现行 Issue Date 2000-09-26 Implementation 2001-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A