71472510
Jul 22, 1944
May 1, 1945
RUBBER COMPOSITION, EITHER NATURAL, OR SYNTHETIC, REINFORCED WITH FIBERS USED FOR VARIOUS PURPOSES-NAMELY, FOR DRIVING OR CONVEYING BELTS, COTS, APRONS, ETC., WHICH RUBBER COMPOSITION IS GENERALLY SOLD IN THE FORM OF SLABS, TUBES, SHEETS, STRIPS, ETC.
Chemicals