SIGRI

PRODUCTS AND ARTICLES MADE OF CARBONACEOUS MATERIALS, ARTIFICIAL CARBON COMPRISING AMORPHOUS CARBON AND GRAPHITE-NAMELY, ELECTRODES COMPRISING CARBON AND GRAPHITE FOR ELECTRICALLY OPERATED FURNACES AND ELECTROLYTIC APPARATUS; HEATING RODS FOR ELECTRICAL RESISTANCE FURNACES; GRAPHITE ANODES FOR RECTIFIERS AND ELECTROLYTIC APPARATUS; AND GRAPHITE RODS AND GRAPHITE CONTACTS FOR ELECTRICAL RESISTANCE FURNACES