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CUTTING REMOVAL BIT FOR UNDERCUTTING MACHINE .Jun 04, 1974· A cutter bit of the type used in undercutting machines employed in mining has a projection on the side of the shank extending from a position near the ...
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Translation of Underground mining equipment in EnglishA coalcutting machine is used in conventional mining to undercut, topcut, or shear the coal face so that coal can be fractured easily when blasted.
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