Adjustable height propeller and drive assembly,申请号US19630265565-传众专利搜索

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发明名称	Adjustable height propeller and drive assembly
摘要
申请公布号	US3187709(A)	申请公布日期	1965.06.08
申请号	US19630265565	申请日期	1963.03.15
申请人	EDWARDS THEODORE B	发明人	EDWARDS THEODORE B.
分类号	B63H20/10;B63H20/12	主分类号	B63H20/10
代理机构		代理人
主权项
地址

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