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Alexandre Parretti
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5858. Parietti, A. March 17. Firebricks.-A refractory substance composed of silicate of magnesia, mica, graphite, talc, and porphyrized asbestos is employed for the manufacture of firebricks, furnaces, crucibles, &c. It is especially applicable for furnaces or crucibles for the production or fusion of calcium carbide, aluminium, and platinum.
GB189905858D1899-03-171899-03-17Improvements in Indestructible Refractory Compositions.
ExpiredGB189905858A
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