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2246225
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Information
Patent Grant
2246225
References
Source
Patent Number
2,246,225
Date Filed
Not available
Date Issued
Tuesday, June 17, 1941
83 years ago
CPC
E21C25/28 - Chains or chain guides
US Classifications
299 - Mining or in situ disintegration of hard material
474 - Endless belt power transmission systems or components
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