INSTRUMENT FOR INSCRIBING AN ELLIPSE,申请号USD3521361-传众专利搜索

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发明名称	INSTRUMENT FOR INSCRIBING AN ELLIPSE
摘要
申请公布号	US3521361(A)	申请公布日期	1970.07.21
申请号	USD3521361	申请日期	1969.01.21
申请人	KERMIT A. BOWEN	发明人	KERMIT A. BOWEN
分类号	B43L11/04;(IPC1-7):B43L11/04	主分类号	B43L11/04
代理机构		代理人
主权项
地址

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