Home / Standards / GB/T 20644.1-2006 GB/T 20644.1-2006 Abolished Special environmental condition - Guidance for choosing - Part 1: Metals protection 特殊环境条件 选用导则 第1部分:金属表面防护 Standard Type GBT ICS 19.040 CCS A21 Status 废止 Issue Date 2006-11-08 Implementation 2007-04-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A