Home / Standards / GB/T 17739.5-2006 GB/T 17739.5-2006 Active Microfilming of technical drawings and technical documents - Part 5: Test procedures for diazo duplicating of microfilm images in aperture cards 技术图样与技术文件的缩微摄影 第5部分：开窗卡中缩微影像重氮复制的检验程序 Standard Type GBT ICS 37.080 CCS A14 Status 现行 Issue Date 2006-04-19 Implementation 2006-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委