Water treating apparatus,申请号US19350027323-传众专利搜索

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发明名称	Water treating apparatus
摘要
申请公布号	US2217822(A)	申请公布日期	1940.10.15
申请号	US19350027323	申请日期	1935.06.19
申请人	SYMONS WILLIAM H	发明人	SYMONS WILLIAM H.
分类号	C02F1/42;C02F1/52	主分类号	C02F1/42
代理机构		代理人
主权项
地址

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