Home / Standards / GB/T 18503-2008 GB/T 18503-2008 Active Micrographics - Transparent A6 microfiche - Image arrangements 缩微摄影技术 A6透明缩微平片 影像的排列 Standard Type GBT ICS 37.080 CCS A14 Status 现行 Issue Date 2008-07-16 Implementation 2009-01-01 Responsible Dept 国家标准委 Drafting Unit N/A