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2785789
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Patent Grant
2785789
References
Source
Patent Number
2,785,789
Date Filed
Not available
Date Issued
Tuesday, March 19, 1957
67 years ago
CPC
E21F13/063 - Loading devices for use in mining
B65G23/44 - Belt or chain tensioning arrangements
US Classifications
198 - Conveyors: power-driven
091 - Motors: expansible chamber type
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