73792016
Apr 10, 1989
May 22, 1990
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
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LIQUID ADDITIVES FOR CEMENT, MORTAR AND CONCRETE
PAINTS AND RUST PROTECTION AGENTS
ROOFING FELTS; CEMENTS; SOLID ADDITIVES IN THE FORM OF DRY SHAKE MIXES FOR MORTAR AND CONCRETE OR IN THE FORM OF CEMENTITIOUS REPAIR MORTARS