Home / Standards / GB/T 4272-2008 GB/T 4272-2008 Abolished General principles for thermal insulation technique of equipment and pipes 设备及管道绝热技术通则 Standard Type GBT ICS 27.010 CCS F04 Status 废止 Issue Date 2008-06-19 Implementation 2009-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委