Home / Standards / GB/T 29465-2012 GB/T 29465-2012 Abolished Shell flange-rear head end of floating heat exchangers 浮头式热交换器用外头盖侧法兰 Standard Type GBT ICS 23.040.60 CCS G91 Status 废止 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委