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2351170
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Information
Patent Grant
2351170
References
Source
Patent Number
2,351,170
Date Filed
Not available
Date Issued
Tuesday, June 13, 1944
80 years ago
CPC
F28G3/14 - thrown into working position by centrifugal force
US Classifications
015 - Brushing, scrubbing, and general cleaning
175 - Boring or penetrating the earth
451 - Abrading
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