73771313
Dec 23, 1988
Sep 19, 1989
BUILDING MATERIALS, NAMELY, A CEMENT-LIKE DRY POWDER WHICH MAY BE MIXED WITH WATER AND APPLIED TO BUILDING STRUCTURES FOR FIREPROOFING AND OTHER PURPOSES, AND PANELS AND OTHER SHAPED MEMBERS MADE FROM THE POWDERED MATERIAL WHICH MAY BE USED FOR BUILDING CONSTRUCTION
Nonmetallic Building Materials