00000nam##2200000za#4500 9.610734 CaOODSP 20220405153325 ta 150406|1993||||xxc||||| f|0| 0 eng|d 0226-4587 CaOODSP eng n-cn--- P29-072-011-1993E Canadian General Standards Board. Microfilm and electronic images as documentary evidence Ottawa - Ontario : Canadian General Standards Board October, 1993. English text, 31p. ; 28 cm. National standard of Canada 0226-4587 CAN/CGSB-72.11-93 Supersedes Can/CGSB-72.11-M88. French translation to be published at a later date. Bilingual Softcover 93-41 1993-10-15 Industrial products gcpds Micrographics gcpds Microfilm and electronic images as documentary evidence (CaOODSP)9.845197 National standard of Canada, 0226-4587 CAN/CGSB-72.11-93 (CaOODSP)9.514840 National Standard of Canada