71696641
Oct 18, 1955
Jun 4, 1957
HYDROCARBON POLYMERS-NAMELY, RESINS, PLASTOMERS, AND ELASTOMERS IN SOLID, SEMI-SOLID, LIQUID, AND POWDERED FORM FOR GENERAL USE IN THE INDUSTRIAL ARTS IN LIEU OF OR IN COMBINATION WITH NATURAL OR SYNTHETIC RUBBER AND/OR RUBBER-LIKE MATERIALS
Metal Goods