73476734
Apr 23, 1984
Oct 21, 1986
DENTAL ALLOYS, NAMELY, CHROMIUM-COBALT ALLOY AND NICKEL-CHROMIUM ALLOY; DENTAL DEPLATING SOLUTION, AND PLASTIC PREFORM PATTERNS
PharmaceuticalsCASTING AND LIQUID PRECOAT INVESTMENTS; ELECTRIC WELDERS; DENTAL MACHINES, NAMELY, SANDBLASTING MACHINE AND POLISHING MACHINE; DENTAL LABORATORY INSTRUMENTS AND APPARATUS, NAMELY, CASTING MACHINE
Electrical and Scientific Apparatus