Boat propelling device,申请号US19520295004-传众专利搜索

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发明名称	Boat propelling device
摘要
申请公布号	US2689542(A)	申请公布日期	1954.09.21
申请号	US19520295004	申请日期	1952.06.23
申请人	DANIELS GORDON E	发明人	DANIELS GORDON E.
分类号	B63H16/16	主分类号	B63H16/16
代理机构		代理人
主权项
地址

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