Vessel-propelling means,申请号US19290400798-传众专利搜索

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发明名称	Vessel-propelling means
摘要
申请公布号	US1787844(A)	申请公布日期	1931.01.06
申请号	US19290400798	申请日期	1929.10.19
申请人	WIDDIS ALBERT L	发明人	WIDDIS ALBERT L.
分类号	B63H11/00	主分类号	B63H11/00
代理机构		代理人
主权项
地址

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