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B25D11/00—Portable percussive tools with electromotor or other motor drive
B25D11/06—Means for driving the impulse member
B25D11/066—Means for driving the impulse member using centrifugal or rotary impact elements
B25D11/068—Means for driving the impulse member using centrifugal or rotary impact elements in which the tool bit or anvil is hit by a rotary impulse member
FR618048D1926-06-231926-06-23
Portable drill for cement, brick, earthenware, etc.
ExpiredFR618048A
(en)