ISO 7805-2:1987
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The latest, up-to-date edition.
Industrial plate screens — Part 2: Thickness below 3 mm
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English, French
26-11-1987
Describes three patterns using round (circular) and square perforations. The sizes of holes range down to 2 mm for square holes and to 0.5 mm for round holes. Five ratios of pitch to hole are specified which result in nominal open areas ranging from about 60 % to 23 %.
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