FR459272A - Perfectionnements apportés à l'assemblage des tubes, notamment des tubes pour la construction des engins de navigation aérienne
- Google Patents
Perfectionnements apportés à l'assemblage des tubes, notamment des tubes pour la construction des engins de navigation aérienne
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Jacob Lohner & Cie
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Jacob Lohner & Cie
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Application grantedgrantedCritical
Publication of FR459272ApublicationCriticalpatent/FR459272A/fr
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
B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
B21C37/15—Making tubes of special shape; Making tube fittings
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Engineering & Computer Science
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Mechanical Engineering
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FR459272D1913-05-031913-06-16Perfectionnements apportés à l'assemblage des tubes, notamment des tubes pour la construction des engins de navigation aérienne
ExpiredFR459272A
(fr)