FR693579A - Procédé et dispositif pour la fabrication de broches ou rivets à tête refoulée,en alliage dur non ferreux à teneur en cuivre
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Procédé et dispositif pour la fabrication de broches ou rivets à tête refoulée,en alliage dur non ferreux à teneur en cuivre
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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
B21G3/00—Making pins, nails, or the like
B21G3/005—Nails or pins for special purposes, e.g. curtain pins
D—TEXTILES; PAPER
D05—SEWING; EMBROIDERING; TUFTING
D05B—SEWING
D05B23/00—Sewing apparatus or machines not otherwise provided for
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Engineering & Computer Science
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Mechanical Engineering
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Textile Engineering
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Forging
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FR693579D1929-05-011930-04-09Procédé et dispositif pour la fabrication de broches ou rivets à tête refoulée,en alliage dur non ferreux à teneur en cuivre
ExpiredFR693579A
(fr)