Aquarium drain attachment,申请号US19530385377-传众专利搜索

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发明名称	Aquarium drain attachment
摘要
申请公布号	US2783893(A)	申请公布日期	1957.03.05
申请号	US19530385377	申请日期	1953.10.12
申请人	HAROLD ROMANOFF	发明人	ROMANOFF HAROLD
分类号	A01K63/04	主分类号	A01K63/04
代理机构		代理人
主权项
地址

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