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3811656
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Information
Patent Grant
3811656
References
Source
Patent Number
3,811,656
Date Filed
Not available
Date Issued
Tuesday, May 21, 1974
50 years ago
CPC
B66D1/20 - Chain, belt, or friction drives
B66D1/26 - having several drums or barrels
B66D2700/0166 - Winches with multiple drums or with drums with multiple parts of different diameter
US Classifications
254 - Implements or apparatus for applying pushing or pulling force
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