Variable pitch propeller for boat,申请号US19670677830-传众专利搜索

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发明名称	Variable pitch propeller for boat
摘要
申请公布号	US3412808(A)	申请公布日期	1968.11.26
申请号	US19670677830	申请日期	1967.10.06
申请人	WENDELL L. THOMPSON	发明人	PARR EDWARD L.
分类号	B63H3/08	主分类号	B63H3/08
代理机构		代理人
主权项
地址

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