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1548822
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Patent Grant
1548822
References
Source
Patent Number
1,548,822
Date Filed
Not available
Date Issued
Tuesday, August 11, 1925
98 years ago
CPC
B23B45/046 - Piston engines
Y10T74/19828 - Worm
US Classifications
074 - Machine element or mechanism
173 - Tool driving or impacting
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