Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
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B25D
PERCUSSIVE TOOLS
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11/00
Portable percussive tools with electromotor; or other motor; drive
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B25D11/06
Means for driving the impulse member
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B25D11/12
comprising a crank mechanism
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B25D11/125
with a fluid cushion between the crank drive and the striking body
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