74142373
Feb 26, 1991
Nov 17, 1992
insulating plates and strips of insulating material made of mineral fibers for protection against heat, sound and fire; acoustic insulating plates for composite or cement floors and reversible insulating roofing panels made from mineral fibers
Rubber Goodsstrips and plates of rock wool for constructions purposes; compound plates made of mineral fibers for construction purposes
Nonmetallic Building Materials