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US08192541B2 Substituted tin niobium pyrochlore and tin niobium oxide pigments 有权
取代锡铌烧绿石和锡铌氧化物颜料

Substituted tin niobium pyrochlore and tin niobium oxide pigments
Abstract:
An inorganic pigment comprising tin; a divalent metal; niobium; and an oxysulfide, an oxyselenide, or oxysulfo-selenide.
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