Floating feeding device for aquariums,申请号US19540442972-传众专利搜索

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发明名称	Floating feeding device for aquariums
摘要
申请公布号	US2761422(A)	申请公布日期	1956.09.04
申请号	US19540442972	申请日期	1954.07.13
申请人	MARTIN FRANK H	发明人	MARTIN FRANK H.
分类号	A01K61/02	主分类号	A01K61/02
代理机构		代理人
主权项
地址

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