US PATENT SUBCLASS 173 / 78
.~ Cleansing fluid passage through hammer head


Current as of: June, 1999
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173 /   HD   TOOL DRIVING OR IMPACTING

197  DF  WORK CLEANSING {10}
78.~ Cleansing fluid passage through hammer head


DEFINITION

Classification: 173/78

(under subclass 57) Apparatus in which the mass of material which comprises the hammer head of an impacting device is provided with a passage which is specifically described as for the purpose of conveying fluid cleansing material.