Home / Standards / GB/T 28719-2012 GB/T 28719-2012 Active Rubber sealing gaskets used in plate heat exchangers 板式热交换器用橡胶密封垫片 Standard Type GBT ICS 83.140.50 CCS G43 Status 现行 Issue Date 2012-09-03 Implementation 2013-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A