79000226
Nov 8, 2003
Sep 6, 2005
SUSPENDED ARCHES AND FITTINGS OF COMBUSTION FURNACES MADE OF REFRACTORY COMPOUNDS WITH A MINERAL BASE
Environmental Control ApparatusCOMPOUNDS WITH A MINERAL BASE FOR BUILDING FURNACE ARCHES AND FITTINGS; PREFABRICATED ELEMENTS OF CONCRETE OR PLASTIC FOR BUILDING CHIMNEYS AND COOLING TOWERS
Nonmetallic Building MaterialsCHIMNEY CONSTRUCTION AND REFRACTORY CONSTRUCTIONS, AS WELL AS REPAIR AND MAINTENANCE WORKS RELATING THERETO
Building Construction and Repair[ CALCULATION SERVICES FOR THIRD PARTIES AND COMPUTER ASSISTED CALCULATION SERVICES FOR THIRD PARTIES, RELATING TO HEAT FOR FIRE-PROOF COATINGS AND CHIMNEYS, CONSULTANCY SERVICES, IN PARTICULAR IN CONNECTION WITH THE POSSIBILITIES OF INSTALLING INDUSTRIAL FACILITIES WITHOUT HARMING THE ENVIRONMENT, AS WELL AS IN THE FIELD OF REFRACTORY AND CHIMNEY CONSTRUCTIONS; TECHNICAL STUDIES AND ADVICE RELATING THERETO IN THE FIELDS OF REFRACTORY AND CHIMNEY CONSTRUCTIONS ]
Computer and Scientific