73227397
Jul 20, 1979
May 26, 1981
Metal Goods-Namely, Tubes, Tubing, Ducts, Ducting, and Parts Therefor; Metal Fittings-Namely, Reducers/Expanders, Closures, Saddles, Connectors, T-Pieces, Bends, L-Pieces, Seals, Valves
Metal GoodsTubes, Tubing, Ducts and Ducting for Use in Air-Conditioning, Warm-Air Heating and Exhaust Systems and Parts Thereof
Environmental Control ApparatusSeals of Rubber and/or Plastic Material for Use in Air-Conditioning, Warm-Air Heating and Exhaust Systems
Rubber Goods