72265057
Feb 20, 1967
Mar 26, 1968
GLASS FIBER REINFORCEMENT FOR PLASTIC RESINS, CONSISTING OF ROLLED SHEET MATERIAL, SAID SHEET COMPRISING A LAYER OF FIBERGLASS MAT, COMBINED WITH AT LEAST ONE LAYER OF ONE OR MORE OF WOVEN FIBERGLASS ROVING, FABRIC, OR MAT HAVING A TEXTURE DISSIMILAR FROM THE FIRST MAT LAYER
Chemicals