Refining silver-bearing residues
Refining tantalum and columbium from their concentrates
Reforming of higher hydrocarbons
Refractory alloy and mineral wool production method
Refractory alloy, fibre-forming plate and method for...
Refractory alloys containing a dispersed phase of thoria and...
Refractory fibers and method of producing same
Refractory metal alloy bonded carbides for cutting tool...
Refractory metal plates with uniform texture and methods of...
Refractory metal pots
Refractory metal powder
Refractory metal purification
Refractory metal recovery process
Refractory metal structures and their preparation
Refractory, heat-insulating slabs
Regeneration of hydrocarbon solutions of trialkyl phosphate...
Regeneration of organic extractants containing alpha...
Regeneration of solder by in-tank filtration
Rehabilitation of zinc electrolytic metallurgy residues by...
Reinforced chromium coating and powder for making same