Water softening system,申请号US19350022968-传众专利搜索

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发明名称	Water softening system
摘要
申请公布号	US2142515(A)	申请公布日期	1939.01.03
申请号	US19350022968	申请日期	1935.05.23
申请人	COCHRANE CORPORATION	发明人	JOOS CHARLES E.
分类号	C02F5/02	主分类号	C02F5/02
代理机构		代理人
主权项
地址

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