Home / Standards / GB/T 23863-2009 GB/T 23863-2009 Abolished Code for lighting design of museum 博物馆照明设计规范 Standard Type GBT ICS 91.160 CCS P31 Status 废止 Issue Date 2009-05-04 Implementation 2009-12-01 Responsible Dept 国家文物局 Drafting Unit 国家文物局