Process of obtaining sodium sulphate from natural deposits,申请号US19290397458-传众专利搜索

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发明名称	Process of obtaining sodium sulphate from natural deposits
摘要
申请公布号	US1798993(A)	申请公布日期	1931.03.31
申请号	US19290397458	申请日期	1929.10.04
申请人	EMANUEL JOHNSON	发明人	WARNKEN ARTHUR T. W.
分类号	C01D5/00	主分类号	C01D5/00
代理机构		代理人
主权项
地址

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