Filter means for aquariums,申请号US19520283631-传众专利搜索

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发明名称	Filter means for aquariums
摘要
申请公布号	US2674574(A)	申请公布日期	1954.04.06
申请号	US19520283631	申请日期	1952.04.22
申请人	CONSTANT PETTAS	发明人	PETTAS CONSTANT
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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