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ISO 6428:1982
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ISO 6428:1982 Technical drawings -- Requirements for microcopying
standard by International Organization for Standardization, 12/01/1982
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Full Description
The rules of ISO 128, ISO 3098, ISO 5457 are expanded. The requirements will provide for high quality microforms with which legible enlargement copies can be made, and documents complying with them can also be reproduced by any other reprographic system. It is recommended that all drawing office documents be executed in accordance with this International Standard.