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CAN/CGSB 72.9-M81

CAN/CGSB 72.9-M81
CAN/CGSB 72.9-M81 English, French PDF [ Withdrawn ] Operating Procedures for Microfilming of Technical Drawings

standard published 07/01/1981 by Canadian General Standards Board

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This standard specifies the operating procedures for microfilming technical drawings. It includes preparation of original drawings, center markings, positioning of drawings and reduction ratios.

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Published: 07/01/1981

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