![]() Microfilming of technical drawings and other drawing office documents—Part 2:Quality criteria and control of 35 mm silver gelatin microfilms 技术图样与技术文件的缩微摄影 第2部分: 35mm银-明胶型缩微品的质量准则与控制 |
![]() Micrographics―Processing and storage of silver-gelatin type microforms 缩微摄影技术 银-明胶型缩微品的冲洗与保存 |
![]() Micrographics - Microfilming of documents on 16 mm and 35 mmsilver-gelatin type microfilm - Operating procedures 缩微摄影技术 在16mm和35mm银-明胶型 缩微胶片上拍摄文献的操作程序 |
![]() Microfilming of technical drawings and technical documents - Part 2: Quality criteria and control of 35mm silver gelatin microfilms 技术图样与技术文件的缩微摄影 第2部分: 35mm银-明胶型缩微品的质量准则与检验 |
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