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
Micrographics--Manufacture of test target for inspecting the quality of micrography of technical drawings
标准状态
发布于:1988-04-11
实施于:1988-12-01
已废止
Micrographics--Manufacture of test target for inspecting the quality of micrography of technical drawings