Aeration tank with submerged contact aerators,申请号US19270199784-传众专利搜索

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发明名称	Aeration tank with submerged contact aerators
摘要
申请公布号	US1743550(A)	申请公布日期	1930.01.14
申请号	US19270199784	申请日期	1927.06.18
申请人	KARL IMHOFF	发明人	IMHOFF KARL
分类号	C02F3/06	主分类号	C02F3/06
代理机构		代理人
主权项
地址

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