Home / Standards / GB/T 28701-2012 GB/T 28701-2012 Active Locking assemblies 胀紧联结套 Standard Type GBT ICS 21.120.99 CCS J19 Status 现行 Issue Date 2012-09-03 Implementation 2013-03-01 Responsible Dept 国家标准委 Drafting Unit N/A