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659348
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Patent Grant
659348
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Source
Patent Number
659,348
Date Filed
Not available
Date Issued
Tuesday, October 9, 1900
124 years ago
CPC
E21C25/54 - Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like
US Classifications
299 - Mining or in situ disintegration of hard material
198 - Conveyors: power-driven
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