73757592
Oct 14, 1988
Jul 4, 1989
NONMETALLIC BUILDING MATERIALS, NAMELY; WEBS MADE OF FABRIC, MATS AND COVERS FOR CONSTRUCTION PURPOSES AND FOR THE PROTECTION OF SLOPES AGAINST EROSION; NONMETALLIC CONCRETE CASING FORMS, TEXTILE REINFORCEMENTS AND GEOTEXTILE MATERIALS FOR EARTH, ROAD BUILDING, DIKE CONSTRUCTION, AND UNDERGROUND WORKS
Nonmetallic Building Materials