73140205
Sep 6, 1977
Mar 16, 1982
Scientific Control and Measuring Apparatus-Namely, Temperature Control Equipment and Temperature Measuring Devices, Hobby and Laboratory Kilns, Hobby and Laboratory Furnaces and Ovens
Electrical and Scientific ApparatusHeating Apparatus-Namely, Electrical or Fossil Fuel Fired Industrial Furnaces, Driers, Kilns, Lehrs, and Industrial Ovens of the Shuttle, Box, Envelope, Pit, Tube, Car, Elevator, Tunnel, Pusher Slab, Belt, Crucible Tilt and Bell Types, Chemical Strengthening Units of the Electrically Heated Batch and Bath Furnace Type, Metallic and Nonmetallic Electrical Heating Elements, Furnace and Kiln Maintenance and Repair Parts
Environmental Control ApparatusConstruction and Repair Services-Namely, Complete Services of On and Off-Site Construction and Installation, and Servicing of Industrial Heating Apparatus of the Furnace, Kiln, Lehr and Oven Types
Building Construction and RepairConsulting, Engineering and Design Services for Industrial Heating Apparatus of the Furnace, Kiln, Lehr and Oven Types
Computer and Scientific