73378264
Aug 4, 1982
Feb 26, 1985
Specialized Glass, Glass Tubes, Glass Vessels, Glass Filters, Glassmetal Seals for Laboratory, Optical, Pharmaceutical, Electrotechnical and Electronic Uses; Optical Glass
Electrical and Scientific ApparatusGas-Powered and Petroleum-Powered Lamp Glass Globes and Chimneys Therefor; Corrosion Resistant Glass Pipe Lines for Conveying Corrosive Liquids, Gases and Highly Pure Agents in the Chemical, Pharmaceutical and Allied Industries and Parts Therefor; Inspection Windows and Cover Plates Made of Transparent Glass Ceramic for Use in Solid Fuel Stoves and Wood Burning Stoves, in Chimneys and Industrial Furnaces and in Gas and Radiant Heaters and Parts Therefor; Oven Windows Made with Infrared Reflecting Glass
Environmental Control ApparatusGlass Tubes, Glass Rods, Glass Plates and Glassware for Cooking, Roasting and Baking; Glass Ceramic as a Raw Material
Housewares and Glass