Pond water circulator, aerator, and foam formation eliminator,申请号US19570653797-传众专利搜索

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发明名称	Pond water circulator, aerator, and foam formation eliminator
摘要
申请公布号	US3169921(A)	申请公布日期	1965.02.16
申请号	US19570653797	申请日期	1957.04.19
申请人	GRIFFITH LLEWELLYN B	发明人	GRIFFITH LLEWELLYN B.
分类号	C02F3/20	主分类号	C02F3/20
代理机构		代理人
主权项
地址

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