Home / Standards / GB/T 6161-2008 GB/T 6161-2008 Active Micrographics - ISO resolution test chart No.2 - Description and use 缩微摄影技术 ISO 2号解像力测试图的描述及其应用 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