Convertible boat propelling and steering apparatus,申请号US19300483678-传众专利搜索

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发明名称	Convertible boat propelling and steering apparatus
摘要
申请公布号	US1822965(A)	申请公布日期	1931.09.15
申请号	US19300483678	申请日期	1930.09.22
申请人	HENRY GASKINS JAMES	发明人	GASKINS JAMES HENRY
分类号	B60F3/00;B63H1/34	主分类号	B60F3/00
代理机构		代理人
主权项
地址

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