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Sullivan Machinery Co
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Sullivan Machinery Co
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Publication of FR698588ApublicationCriticalpatent/FR698588A/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
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Fluid Mechanics
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR698588D1929-07-051930-07-02Perfectionnements aux perforatrices
ExpiredFR698588A
(fr)