Home / Standards / GB/T 12355 GB/T 12355 Active Micrographics - Splices of microfilm with image - Dimensions and Operational Constraints 缩微摄影技术 有影像缩微胶片的连接 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 国家标准委