Filed: July 7, 1989 SYNTHETIC ADDITIVES FOR STRENGTHENING, PRESERVING AND OTHERWISE MODIFYING THE PHYSICAL CHARACTERISTICS OF BITUMINOUS AND… Owned by:HUPPI AG Serial Number:73811317
Filed: July 7, 1989 SYNTHETIC BUILDING MATERIALS, NAMELY ADDITIVES FOR STRENGTHENING AND PRESERVING AND OTHERWISE MODIFYING THE PHYSICAL CHARACTERISTICS… Owned by:HUPPI AG Serial Number:73811348