"Micrographics First " CNS Standards List| Method test | Rack Pionion | Method Test | Biodegradable plastics | Household similar | Picks | Dropping Test | Belt drives | |
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CNS 13420
2017 Edition Micrographics - First generation Silver - Gelatin Microforms of Source Docoments - Density Specifications 微縮攝影技術–拍攝文件之第一代銀鹽膠膜軟片–密度規格 |
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CNS 13420
1994 Edition Micrographics - First generation Silver - Gelatin Microforms of Source Docoments - Density Specifications 微縮攝影技術－拍攝文件之第一代銀鹽膠膜軟片─密度規格 |
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