Means for propelling and steering towboats and barges,申请号US19550523456-传众专利搜索

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发明名称	Means for propelling and steering towboats and barges
摘要
申请公布号	US2794410(A)	申请公布日期	1957.06.04
申请号	US19550523456	申请日期	1955.07.21
申请人	OLIVER JAMES V;HIGGINS WALTER F	发明人	OLIVER JAMES V.;HIGGINS WALTER F.
分类号	B63B35/66	主分类号	B63B35/66
代理机构		代理人
主权项
地址

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