P3R1E1P3R1E1G2
12 points
PREPREG is validvalid
reinforcing material already impregnated with a synthetic resin [n PREPREGS]
reinforcing material already impregnated with a synthetic resin [n -S]
reinforcing material already impregnated with a synthetic resin [n PREPREGS]
reinforcing material already impregnated with a synthetic resin [n -S]