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Gray Michael John, Percival Anthony Hector: Cable reeler and cable retrieval method. Amakye Engineering, Gray Michael John, Percival Anthony Hector, BORG Keith Joseph, January 4, 2007: WO/2007/000016 (2 worldwide citation)

A power cable reeler (108, 110, 120) including a cable reel (204) mounted on a movable base (210), the cable reel (204) being adapted to take up or deploy cable (206) as the movable base (210) moves. Also disclosed is a power cable reeler (112) adapted to feed a cable (126) over a rim of a mine high ...


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Cox Michael, Gray Michael John, Duke Phillip William: Winning metal from ore.. Nat Res Dev, August 1, 1984: EP0114747-A2

Copper is won from chalcopyrite ore (copper/iron sulphide) containing Cu(II) and Fe(III), which respectively prefer square planar and octahedral co-ordination. A vaporized tetradentate (square-planar) Schiff base reagent is passed through a fluidized bed of oxidatively roasted chalcopyrite, and igno ...


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Cox Michael, Gray Michael John, Duke Phillip William: Wining metal from ore. Nat Res Dev, September 12, 1984: GB2135984-A

Copper is won from chalcopyrite ore (copper/iron sulphide) containing Cu(II) and Fe(III), which respectively prefer square planar and octahedral co-ordination. A vaporized tetradentate (square-planar) Schiff base reagent is passed through a fluidized bed of oxidatively roasted chalcopyrite, and igno ...