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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B23/00—Tailstocks; Centres
B23B23/005—Tailstocks; Centres the centres being adjustable
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Mechanical Engineering
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FR733652D1931-06-181931-06-18Dispositif d'alignement et de réglage entre pointes, pendant le travail, de pièces à génératrices parallèles
ExpiredFR733652A
(fr)