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Priority to JP1976008682UpriorityCriticalpatent/JPS5538570Y2/ja
Publication of JPS52100838UpublicationCriticalpatent/JPS52100838U/ja
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Publication of JPS5538570Y2publicationCriticalpatent/JPS5538570Y2/ja
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C26/00—Rams or plungers for metal extruding; Discs therefor