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3857448
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Information
Patent Grant
3857448
References
Source
Patent Number
3,857,448
Date Filed
Not available
Date Issued
Tuesday, December 31, 1974
50 years ago
CPC
B25D9/12 - comprising a built-in liquid motor
Y10S173/04 - Liquid operated
US Classifications
173 - Tool driving or impacting
091 - Motors: expansible chamber type
404 - Road structure, process, or apparatus
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