FR919046A - Procédé et appareil pour la production d'objets conformés tels que des montures de lunettes à partir de matière plastique en feuille
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Procédé et appareil pour la production d'objets conformés tels que des montures de lunettes à partir de matière plastique en feuille
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B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D12/00—Producing frames
B29D12/02—Spectacle frames
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Mechanical Engineering
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FR919046D1943-06-291945-12-17Procédé et appareil pour la production d'objets conformés tels que des montures de lunettes à partir de matière plastique en feuille
ExpiredFR919046A
(fr)