Home / Standards / GB/T 29463.2-2012 GB/T 29463.2-2012 Abolished Gaskets used in tube-shell heat exchangers - Part 2: Spiral wound gasket 管壳式热交换器用垫片 第2部分：缠绕式垫片 Standard Type GBT ICS 21.140 CCS J22 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