71604042
Sep 26, 1950
Apr 22, 1952
PRODUCTS MADE OF STEEL, AND OTHER MATERIALS-NAMELY, COLUMN-HOOPING FOR REINFORCING CONCRETE COLUMNS; CURB-BARS AND EDGE PROTECTORS MADE OF STEEL IN VARIOUS FORMS, USED TO PROTECT AND REINFORCE CONCRETE CURBS, EXPOSED CORNERS AND EDGES OF WALLS, PILASTERS, COLUMNS, PLATFORMS,SIDEWALKS, ECT; DOORS, PANELS, AND PARTITIONS, ALL MADE OF STEEL OR OF STEEL AND GLASS AND INTENDED AS PERMANENT STRUCTURAL ELEMENTS OF A BUILDING; JOIST OR WALL HANGERS MADE OF STEEL FOR JOIST OR BEAM CONNECTIONS; DOWEL BARS; TRUSSES; COLUMNS, AND GIRDERS; STEEL ROOFING, STEEL FLOORING, AND PANELS OF INSULATION EXTERNALLY COVERED BY STEEL SHEETS FOR USE IN WALLS, CEILINGS AND ROOFS; TUNNEL LINER PLATE
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