Water softening device,申请号US19360099732-传众专利搜索

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发明名称	Water softening device
摘要
申请公布号	US2137755(A)	申请公布日期	1938.11.22
申请号	US19360099732	申请日期	1936.09.08
申请人	GLYNN GUILFORD C	发明人	GLYNN GUILFORD C.
分类号	C02F1/68	主分类号	C02F1/68
代理机构		代理人
主权项
地址

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