Boat propulsion means,申请号US19440540338-传众专利搜索

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发明名称	Boat propulsion means
摘要
申请公布号	US2388711(A)	申请公布日期	1945.11.13
申请号	US19440540338	申请日期	1944.06.14
申请人	SAWYER CLARENCE H	发明人	SAWYER CLARENCE H.
分类号	B63H1/38	主分类号	B63H1/38
代理机构		代理人
主权项
地址

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