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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16/00
Portable percussive machines with superimposed rotation; , the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
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B25D16/003
Clutches specially adapted therefor
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