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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D37/00—Broaching machines or broaching devices
B23D37/14—Broaching machines with rotatably-arranged working tools
B23D37/16—Broaching machines with rotatably-arranged working tools for broaching helical grooves
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Engineering & Computer Science
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Mechanical Engineering
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FR22225A1916-08-231916-08-23Procédé pour le calibrage et le rayage des armes à feu
ExpiredFR22225E
(fr)