Halidation of nonferrous metal values in manganese oxide ores

Hard alloyed powder and method of making the same

Hard alloys

Hard copper free dental gold alloys

Hardenable martensitic stainless steel

Hardening of metals

Heap bioleaching process for the extraction of zinc

Heap bioleaching process for the extraction of zinc

Heap leach process

Heap leaching of nickel containing ore

Heap leaching with oxygen

Heat recovery and melting system for scrap metals

Heat resistant alloy and method of manufacture

Heat resistant alloy casting

Heat resistant alloy castings

Heat resistant alloy excellent in bending property and ductility

Heat resistant low expansion alloy

Heat resistant martensitic stainless steel containing 12 percent

Heat resisting alloyed steel

Heat resisting alloys