Method of concentrating aqueous solutions of volatile substances,申请号US19250031342-传众专利搜索

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发明名称	Method of concentrating aqueous solutions of volatile substances
摘要
申请公布号	US1817993(A)	申请公布日期	1931.08.11
申请号	US19250031342	申请日期	1925.05.19
申请人	LICHTENTHAELER FRANK E	发明人	LICHTENTHAELER FRANK E.
分类号	C07C51/42;C12J1/00	主分类号	C07C51/42
代理机构		代理人
主权项
地址

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