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Microfilming of technical drawings and other drawing office documents. Aperture card for 35 mm microfilm.

Microfilming of technical drawings and other drawing office documents — Part 3: Aperture card for 35 mm micro…

Overview ISO 3272-3:2001 specifies the technical characteristics for tab-size aperture cards designed for 35 mm microfilm. Part 3 of the ISO 3272 series covers data-processing type aperture cards - w…