Home / Standards / GB/T 6847-2012 GB/T 6847-2012 Active Imaging materials - Photographic film and paper - Determination of curl 影像材料 照相胶片和相纸 卷曲度的测定 Standard Type GBT ICS 37.040.20 CCS G80 Status 现行 Issue Date 2012-12-31 Implementation 2013-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A