Electrical treatment of water for the purpose of reducing hardness,申请号US19350044989-传众专利搜索

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发明名称	Electrical treatment of water for the purpose of reducing hardness
摘要
申请公布号	US2161933(A)	申请公布日期	1939.06.13
申请号	US19350044989	申请日期	1935.10.14
申请人	JOHN PIERPOINT ALBERT;HENRY CROUCH REGINALD	发明人	PIERPOINT ALBERT JOHN;CROUCH REGINALD HENRY
分类号	C02F1/46;C02F1/461	主分类号	C02F1/46
代理机构		代理人
主权项
地址

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