Physical Properties of the Metal Cobalt [microform]C Harper, Herbert T. (Herbert Thomas) Kalmus, Canada Mines BranchHäftad279 kr
Preparation of Metallic Cobalt by Reduction of the Oxide [microform]Herbert T. (Herbert Thomas) Kalmus, Canada Mines BranchHäftad209 kr
Cobalt Alloys With Non-corrosive Properties [microform]Herbert T. (Herbert Thomas) Kalmus, K. B. Blake, Canada Mines BranchInbunden439 kr