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涓枃鍚� 鑱氱⒊閰搁叝 鑻辨枃鍚� Polycarbonate 鍒�? ? 绋� PC濉戞枡 鍖栧(xu茅)寮� 2,2'-闆欙紙4-缇ュ熀鑻熀锛変笝鐑疯仛纰抽吀閰� CAS鐧婚寗铏�(h脿o) 25037-45-0
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