Home / Standards / GB/T 8988-1988 GB/T 8988-1988 Abolished Micrographics--Manufacture of test target for inspecting the quality of micrography of technical drawings 缩微摄影技术 检验技术图纸缩微摄影质量测试标板的制作 Standard Type GBT ICS 37.080 CCS A14 Status 废止 Issue Date 1988-04-11 Implementation 1988-12-01 Responsible Dept 国家标准委 Drafting Unit N/A