Combination water softener and heater with reverse flush,申请号US19420451005-传众专利搜索

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发明名称	Combination water softener and heater with reverse flush
摘要
申请公布号	US2355188(A)	申请公布日期	1944.08.08
申请号	US19420451005	申请日期	1942.07.15
申请人	WILLIAM J. TOWLES;DONATO F. SISTO	发明人	TOWLES WILLIAM J.
分类号	C02F1/42	主分类号	C02F1/42
代理机构		代理人
主权项
地址

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