Home / Standards / GB/T 17558-1998 GB/T 17558-1998 Active Camera flash illuminants--Determination of spectral distribution index(ISO/SDI) 照相闪光照明光源光谱分布指数(ISO/SDI)的测定 Standard Type GBT ICS 37.040.10 CCS N46 Status 现行 Issue Date 1998-11-09 Implementation 1999-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A