Multiple pitch removable blade propeller,申请号US19600075263-传众专利搜索

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发明名称	Multiple pitch removable blade propeller
摘要
申请公布号	US3073395(A)	申请公布日期	1963.01.15
申请号	US19600075263	申请日期	1960.12.12
申请人	DUNCAN PAUL K	发明人	DUNCAN PAUL K.
分类号	B63H3/12	主分类号	B63H3/12
代理机构		代理人
主权项
地址

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