Boat propelling means,申请号US19320610794-传众专利搜索

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发明名称	Boat propelling means
摘要
申请公布号	US1937907(A)	申请公布日期	1933.12.05
申请号	US19320610794	申请日期	1932.05.12
申请人	JOHN NOCK CECIL	发明人	NOCK CECIL JOHN
分类号	B63H1/36	主分类号	B63H1/36
代理机构		代理人
主权项
地址

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