Diffuser assembly for sewage disposal plants,申请号US19580740279-传众专利搜索

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发明名称	Diffuser assembly for sewage disposal plants
摘要
申请公布号	US2989186(A)	申请公布日期	1961.06.20
申请号	US19580740279	申请日期	1958.06.06
申请人	UNION TANK CAR COMPANY	发明人	WEIS FRANK G.
分类号	B01D21/34;C02F3/20	主分类号	B01D21/34
代理机构		代理人
主权项
地址

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