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1814060
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Patent Grant
1814060
References
Source
Patent Number
1,814,060
Date Filed
Not available
Date Issued
Tuesday, July 14, 1931
92 years ago
CPC
A01D21/04 - with rotating picking tools
US Classifications
037 - Excavating
171 - Unearthing plants or buried objects
198 - Conveyors: power-driven
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