Home / Standards / GB/T 26663-2011 GB/T 26663-2011 Active Large type hydraulic pressure safety coupling 大型液压安全联轴器 Standard Type GBT ICS 21.120.20 CCS J19 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委