E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
262/30
E02F 3/90 (2006.01) E02F 3/88 (2006.01) E02F 3/92 (2006.01) E02F 7/10 (2006.01) E21B 7/124 (2006.01)
Patent
CA 1137122
Abstract of the Disclosure A self-sustaining excavator crab for operations particularly on a deep sea bottom, comprising a mobile truss dome carrying a vertically and radially adjustable drill or cutter.
352832
Fetherstonhaugh & Co.
Hollands Aannemersbedrijf Zanen Verstoep N.v.
LandOfFree
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