Home / Standards / GB/T 19733- GB/T 19733- Micrographics — Measurement of reading characteristics of transparent microform readers — 2005 缩微摄影技术透明缩微品阅读器特性的测量 2005 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A