Buoyant marker for aerial tow target,申请号US19570674990-传众专利搜索

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发明名称	Buoyant marker for aerial tow target
摘要
申请公布号	US2903717(A)	申请公布日期	1959.09.15
申请号	US19570674990	申请日期	1957.07.29
申请人	FRANCIS VINTSCHGER	发明人	VINTSCHGER FRANCIS
分类号	B63B22/12;F41J9/10	主分类号	B63B22/12
代理机构		代理人
主权项
地址

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