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BURTON DES ATEL
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BURTON DES ATEL
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Publication of FR419738ApublicationCriticalpatent/FR419738A/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
B25D9/14—Control devices for the reciprocating piston
B25D9/16—Valve arrangements therefor
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Physics & Mathematics
(AREA)
Fluid Mechanics
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR419738D1910-08-041910-08-04Distributeur à disque pour perforatrices
ExpiredFR419738A
(fr)