Process and system for treating sewage,申请号US19400319496-传众专利搜索

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发明名称	Process and system for treating sewage
摘要
申请公布号	US2441813(A)	申请公布日期	1948.05.18
申请号	US19400319496	申请日期	1940.02.17
申请人	ORIN HALVORSON HALVOR	发明人	HALVORSON HALVOR ORIN
分类号	C02F3/30	主分类号	C02F3/30
代理机构		代理人
主权项
地址

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