Automatic life preserver,申请号US19550529990-传众专利搜索

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发明名称	Automatic life preserver
摘要
申请公布号	US2904217(A)	申请公布日期	1959.09.15
申请号	US19550529990	申请日期	1955.08.23
申请人	GURNEY JOSEPH T	发明人	GURNEY JOSEPH T.
分类号	A61M16/00;B63C9/18	主分类号	A61M16/00
代理机构		代理人
主权项
地址

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