Home / Standards / GB/T 5699-2017 GB/T 5699-2017 Abolished Method of daylighting measurements 采光测量方法 Standard Type GBT ICS 13.180 CCS A25 Status 废止 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A