Home / Standards / GB/T 21432-2008 GB/T 21432-2008 Abolished Graphite pressure vessels 石墨制压力容器 Standard Type GBT ICS 23.020.30 CCS J74 Status 废止 Issue Date 2008-01-31 Implementation 2008-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委