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WARNE
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WARNE
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Publication of FR414869ApublicationCriticalpatent/FR414869A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D28/00—Shaping by press-cutting; Perforating
B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR414869D1910-03-121910-04-16Machine pour découper les toles ou barres métalliques pour la fabrication d'écrous, de rondelles ou autres objets
ExpiredFR414869A
(fr)