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Publication of AT206967BpublicationCriticalpatent/AT206967B/de
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
B21C47/3466—Feeding or guiding devices not specially adapted to a particular type of apparatus by using specific means
B21C47/3475—Fluid pressure or vacuum
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Physics & Mathematics
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Fluid Mechanics
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Engineering & Computer Science
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Mechanical Engineering
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Rotary Switch, Piano Key Switch, And Lever Switch
(AREA)