Home / Standards / GB/T 7516-2008 GB/T 7516-2008 Active Micrographics - Graphical symbols for use in microfilming 缩微摄影技术 缩微拍摄用图形符号 Standard Type GBT ICS 37.080 CCS A14 Status 现行 Issue Date 2008-12-30 Implementation 2009-07-01 Responsible Dept 国家标准委 Drafting Unit N/A