Process of producing sulphuric acid,申请号US19310517790-传众专利搜索

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发明名称	Process of producing sulphuric acid
摘要
申请公布号	US1954880(A)	申请公布日期	1934.04.17
申请号	US19310517790	申请日期	1931.02.24
申请人	NATIONAL ZINC COMPANY, INC.	发明人	LEVERETT WARREN H.
分类号	C01B17/84	主分类号	C01B17/84
代理机构		代理人
主权项
地址

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