Barium ferrous group metal ternary sulfides and their preparation,申请号US19540416437-传众专利搜索

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发明名称	Barium ferrous group metal ternary sulfides and their preparation
摘要
申请公布号	US2770528(A)	申请公布日期	1956.11.13
申请号	US19540416437	申请日期	1954.03.15
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人	MAYNARD JOHN T.
分类号	C01B17/42	主分类号	C01B17/42
代理机构		代理人
主权项
地址

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