73487308
Jun 27, 1984
Jul 7, 1987
ELKEM ASA
Active Trademark
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POZZOLANIC MATERIAL, SILICA FUME AND SILICA FUME AQUEOUS SLURRIES AS AN ADDITIVE FOR GENERAL INDUSTRIAL USE ESPECIALLY IN THE FIELD OF CONSTRUCTION
[CEMENTITIOUS MATERIALS, NAMELY CEMENT, MORTAR AND CONCRETE]