Home / Standards / GB/T 26478-2011 GB/T 26478-2011 Active Globe valves for ammonia and lift check valves 氨用截止阀和升降式止回阀 Standard Type GBT ICS 23.060.50 CCS J16 Status 现行 Issue Date 2011-05-12 Implementation 2011-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会