| 摘要 |
1,258,431. Refractories. MATSUSHITA. ELECTRIC INDUSTRIAL CO. Ltd. 10 June, 1969 [25 June, 1968 (2)], No. 29448/69. Heading C1J. A heat resisting insulator consists of talc, mica or silica as aggregate, a binder of a PO 4 salt of one or more of Zn, Mg, Al, Ca, Fe, Mn, Ti, Cr, Cu, Ba, Pb, Sb, Bi and Ni, and an oxide and/ or hydroxide of one or more of Zn, Al, Ca, Ti, Cr, Mu, Fe, Cu, Ni, Co, Sr, Ag, Cd, Ba, Pb, and Bi. Sb 2 O 3 and ZrO 2 are optional. |
