73284551
Nov 3, 1980
Dec 29, 1981
Active Trademark
Building Materials and Construction Elements Made of Fireproof Glass, Especially for Fire-Resistant Glass Paneling in Exterior and Interior Walls (Partitions, Including Transoms), Fireproof Doors, Smokeproof Doors; Elevator Cages Made of Fireproof Glass
Nonmetallic Building Materials