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SOC D CONST ET D EXPL DE MATER
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Publication of FR877863ApublicationCriticalpatent/FR877863A/fr
B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D9/06—Means for driving the impulse member
B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure
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FR877863D1941-08-021941-08-02Perfectionnements aux outils pneumatiques
ExpiredFR877863A
(fr)