Home / Standards / GB/T 20969.3-2007 GB/T 20969.3-2007 Abolished Special environmental condition - Machinery for plateau - Part 3: The specification of select type and acceptance check for construction machinery on plateau 特殊环境条件 高原机械 第3部分：高原型工程机械选型、验收规范 Standard Type GBT ICS 53.100 CCS P97 Status 废止 Issue Date 2007-06-29 Implementation 2007-08-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A