71515169
Jan 2, 1947
Jan 31, 1950
CHEMICAL COMPOSITIONS PRIMARILY COMPOSED OF SYNTHETIC RUBBER, CHLORINATED SYNTHETIC RUBBER AND POLYVINYL RESIN PLASTIC, INLIQUID AND SOLID FORM, TO BE USED AS SURFACING COMPOSITIONS FOR THE PROTECTION OF MACHINERY AND RELATED PRODUCTS EXPOSED TO CORROSIVE AND CHEMICAL ATTACK OF ACIDS, SALTS AND BASIC SUBSTANCES
Paper Goods and Printed Matter