Marine propulsion,申请号US19410407533-传众专利搜索

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发明名称	Marine propulsion
摘要
申请公布号	US2391109(A)	申请公布日期	1945.12.18
申请号	US19410407533	申请日期	1941.08.20
申请人	PATTEN CHARLES DOUGLAS VAN	发明人	PATTEN CHARLES DOUGLAS VAN
分类号	B63H1/14	主分类号	B63H1/14
代理机构		代理人
主权项
地址

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