Home / Standards / GB/T 12085.21-2011 GB/T 12085.21-2011 Abolished Optics and optical instruments - Environmental test methods - Part 21: Combined low pressure and ambient temperature or dry heat 光学和光学仪器 环境试验方法 第21部分：低压与大气温度、高温综合试验 Standard Type GBT ICS 37.020 CCS N30 Status 废止 Issue Date 2011-06-16 Implementation 2011-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会