Slide rule of the circular type,申请号US19610144908-传众专利搜索

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发明名称	Slide rule of the circular type
摘要
申请公布号	US3071321(A)	申请公布日期	1963.01.01
申请号	US19610144908	申请日期	1961.10.13
申请人	EZOPOV IGOR V	发明人	EZOPOV IGOR V.
分类号	F04D25/10;G06G1/04	主分类号	F04D25/10
代理机构		代理人
主权项
地址

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