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SCHRAUBENINDUSTRIE AG SOC
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SCHRAUBENINDUSTRIE AG SOC
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Publication of FR490411ApublicationCriticalpatent/FR490411A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B11/00—Automatic or semi-automatic turning-machines incorporating equipment for performing other working procedures, e.g. slotting, milling, rolling
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR490411A1917-06-071918-06-08
Improvements to automatic threading lathes
ExpiredFR490411A
(en)