73772606
Jan 3, 1989
Oct 15, 1991
GLASS PRODUCTS USED IN INDUSTRY; NAMELY, GROUND GLASS AND GLASS-CERAMICS IN BULK FORM FOR USE IN THE MANUFACTURE OF SEALANTS, ADHESIVES AND COATINGS, AND GLASS AND GLASS-CERAMIC IN THE FORM OF THIN FILMS AND SMALL SIZES OF TUBES AND RODS
Chemicals