73574129
Dec 18, 1985
May 12, 1987
SYNTHETIC FILTER MEDIA FOR VARIOUS INDUSTRIES, MADE FROM POLYPROPYLENE, POLYMIDE, POLYESTER, ACRYLIC, P.V.C., NOMEX, TEFLON AND P.V.D.F., IN THE NATURE OF MONOFILAMENT, MULTIFILAMENT, FIBER AND NEEDLE-FELT
Chemicals