Home / Standards / GB/T 10558-1989 GB/T 10558-1989 Active Method for measuring the root-mean-square (RMS) granularity of photographic materials/process combination 感光材料均方根颗粒度测定方法 Standard Type GBT ICS N/A CCS G80 Status 现行 Issue Date 1989-03-22 Implementation 1989-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A