73329424
Sep 24, 1981
Sep 4, 1984
Plating Solutions for Plating Metal; Fluxes; Compounds for Removing Surface Oxidation and Incrustation from Non-Ferrous and Precious Metals; and Gold and Silver Oxidizers for Use by Jewelers
ChemicalsElectroplaters; Platform Scale and Weights for Weighing Precious Metals; and Ring Sizers for Jewelers Use
Electrical and Scientific ApparatusDust Collectors for Work Bench Installations, and Portable Crucible Furnaces
Environmental Control Apparatus