Life preserver and swimming aid,申请号US19510211158-传众专利搜索

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发明名称	Life preserver and swimming aid
摘要
申请公布号	US2682064(A)	申请公布日期	1954.06.29
申请号	US19510211158	申请日期	1951.02.15
申请人	PETER BOSER JOHN;NICKOLAS BOSER	发明人	BOSER JOHN PETER;BOSER NICKOLAS
分类号	B63C9/115	主分类号	B63C9/115
代理机构		代理人
主权项
地址

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