FR352937A - Procédé de fabrication de lettres en tole évidées prismatiquement, pour les enseignes, les réclames et autres inscriptions
- Google Patents
Procédé de fabrication de lettres en tole évidées prismatiquement, pour les enseignes, les réclames et autres inscriptions
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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
B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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FR352937D1905-04-031905-04-03Procédé de fabrication de lettres en tole évidées prismatiquement, pour les enseignes, les réclames et autres inscriptions
ExpiredFR352937A
(fr)