Home / Standards / GB/T 13786-1992 GB/T 13786-1992 Abolished Artificial daylighting illumination for cotton classing rooms 棉花分级室的模拟昼光照明 Standard Type GBT ICS 59.060.10 CCS W10 Status 废止 Issue Date 1992-11-04 Implementation 1993-06-01 Responsible Dept 国家标准委 Drafting Unit N/A