FR565608A - Perfectionnements apportés aux moyens pour arrondir les angles dans les engrenages hélicoïdaux à chevrons taillés au moyen de la fraise en bout
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Perfectionnements apportés aux moyens pour arrondir les angles dans les engrenages hélicoïdaux à chevrons taillés au moyen de la fraise en bout
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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23F—MAKING GEARS OR TOOTHED RACKS
B23F7/00—Making herringbone gear teeth
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Mechanical Engineering
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FR565608D1922-04-291923-04-28Perfectionnements apportés aux moyens pour arrondir les angles dans les engrenages hélicoïdaux à chevrons taillés au moyen de la fraise en bout
ExpiredFR565608A
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