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CAMILLE AUGUSTE AUBERT
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CAMILLE AUGUSTE AUBERT
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Publication of FR491956ApublicationCriticalpatent/FR491956A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G1/00—Thread cutting; Automatic machines specially designed therefor
B23G1/32—Thread cutting; Automatic machines specially designed therefor by milling
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FR491956D1918-09-251918-09-25Procédé pour l'obtention de filetages intérieurs ou extérieurs au moyen de fraises filetées et détalonnées
ExpiredFR491956A
(fr)
Procédé de fabrication continue de pellicules, de batons et de fils, transparents ou non, au moyen du produit cellulosique dit "nitracétyl-cellulose"