CAN/CGSB 72.12-M81

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CAN/CGSB 72.12-M81 English, French Printed Edition [ Withdrawn ] Microcopying of Technical Drawings - Quality Criteria and Control

standard published 12/01/1981 by Canadian General Standards Board

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This standard specifies the procedures for maintaining and checking the quality and reproducibility of microfilms made on black and white silver-image film. It covers the requirements for the quality, performance and image quality for the first, second and third generation silver copies.