Venting apparatus for aquariums,申请号US19590858757-传众专利搜索

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发明名称	Venting apparatus for aquariums
摘要
申请公布号	US3009628(A)	申请公布日期	1961.11.21
申请号	US19590858757	申请日期	1959.12.10
申请人	ERWIN KOLFERTZ APPARATE-BAU	发明人	KOLFERTZ ERWIN
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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