72343365
Nov 13, 1969
Jun 8, 1971
LAMINATE OF EXPANDED PLASTIC SHEET WITH TEXTILE FABRIC OR FELT, BEING PRIMARILY AN EXPANDED PLASTIC SHEET MATERIAL WITH THE FABRIC OR FELT LAMINATED THERETO TO GIVE THE FOAMED PLASTIC MATERIAL ADDED STRENGTH OR TO GIVE SOME RESILIENCY OR BODY THERETO
Chemicals