71449020
Nov 28, 1941
Jun 16, 1942
PROTECTIVE COATING IN THE NATURE OF A PAINT USED AS A WATER REPELLANT AND NON-CORROSIVE COATING FOR STRUCTURAL STEEL, BRIDGES, AND STEEL WATER TANKS, HAVING INCIDENTAL PROPERTIES AS A WATERPROOFING AND DAMPPROOFING COATING FOR CONCRETE, PLASTER, AND MASONRY WALLS, AS A PLASTER BONDING COAT, AND FOR MASONRY PAINT
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