Reversible variable pitch propeller for boats,申请号US19530353861-传众专利搜索

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发明名称	Reversible variable pitch propeller for boats
摘要
申请公布号	US2704991(A)	申请公布日期	1955.03.29
申请号	US19530353861	申请日期	1953.05.08
申请人	DANIELSON GUSTAVE J	发明人	DANIELSON GUSTAVE J.
分类号	B63H3/04	主分类号	B63H3/04
代理机构		代理人
主权项
地址

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