Phenol formaldehyde-urea resin component binder.
US 3,306,864
Phenol formaldehyde-urea resin component binder. - Feb. 28, 1967
PHENOL FORMALDEHYDE UREA
ADHESIVES
Abrasives
US 3,306,864
Phenol formaldehyde-urea resin component binder. - Feb. 28, 1967
PHENOL FORMALDEHYDE UREA
ADHESIVES
Abrasives
US 3,306,864