HCST
full line of chemicals; hard materials in powder form, namely borides, carbides, nitrides, carbonitrides and silicides of the elements vanadium, niobium, tantalum, chromium, molybdenum, tungsten, titanium, zirconium, and of the rare earth elements; salts and oxides of, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, rhenium, titanium, zirconium, hafnium, and of the rare earth elements; inorganic and organic nickel and cobalt salts; nickel and cobalt oxides and hydroxides; ceramic...
Cancelled · June 17, 1994 · 74539110 ·