OPTIGRAN
[ FOUNDRY AUXILIARIES-NAMELY, COLD-SETTING RESINS FOR SAND-AGGLUTINANTS, HARDENING AGENTS, CORE-SAND ADDITIVES, ZIRCONIUM AND GRAPHITE COATINGS ON THE BASIS OF ALCOHOL AND WATER, SEALING COMPOUNDS, ADHESIVES, AGGREGATES FOR VARIOUS SAND SYSTEMS, AND LUSTROUS CARBON FORMING AGENTS]
Registered · September 12, 1975 · 73062835 ·