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L ECLAIRAGE ELECTR SOC
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L ECLAIRAGE ELECTR SOC
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Application filed by L ECLAIRAGE ELECTR SOCfiledCriticalL ECLAIRAGE ELECTR SOC
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Publication of FR487568ApublicationCriticalpatent/FR487568A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
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Mechanical Engineering
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FR487568D1917-11-081917-11-08
Universal machine tool for machining mechanical parts in series
ExpiredFR487568A
(en)