Hook plow apparatus for longwall mining

Details Hook plow apparatus for longwall mining Hook plow apparatus for longwall mining

E - Fixed Constructions

21

D

262/62

E21D 23/12 (2006.01) E21C 27/32 (2006.01) E21C 27/34 (2006.01) E21C 35/16 (2006.01) E21C 35/20 (2006.01) E21C 41/00 (2006.01) E21D 23/00 (2006.01) E21D 23/08 (2006.01)

Patent

CA 1019356

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