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tulis (tulekindel materjal) ränidioksiidi SiO2 suurema kui 93 % sisaldusega, a refractory product composed essentially (more than 93 %) or entirely of silicon dioxide (SiO2)
dinas refractory . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/dinas%20refractory/1/eng (19.06.2026)
