Centerless compass for making circles,申请号US19580717763-传众专利搜索

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发明名称	Centerless compass for making circles
摘要
申请公布号	US2958132(A)	申请公布日期	1960.11.01
申请号	US19580717763	申请日期	1958.02.26
申请人	HARTBAUER RAYMOND C;FELKEL GEORGE E	发明人	HARTBAUER RAYMOND C.;FELKEL GEORGE E.
分类号	B43L9/00	主分类号	B43L9/00
代理机构		代理人
主权项
地址

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