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1583992
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Patent Grant
1583992
References
Source
Patent Number
1,583,992
Date Filed
Not available
Date Issued
Tuesday, May 11, 1926
98 years ago
CPC
E21C25/56 - Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face
US Classifications
299 - Mining or in situ disintegration of hard material
414 - Material or article handling
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