Home / Standards / GB/T 29463-2023 GB/T 29463-2023 Active Gaskets used in tube-shell heat exchangers 管壳式热交换器用垫片 Standard Type GBT ICS 21.140 CCS J22 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 国家标准委 Drafting Unit N/A