DRAFTING PEN WITH EXTENSIBLE TIP,申请号USD3486830-传众专利搜索

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发明名称	DRAFTING PEN WITH EXTENSIBLE TIP
摘要
申请公布号	US3486830(A)	申请公布日期	1969.12.30
申请号	USD3486830	申请日期	1968.09.09
申请人	DIKE INC.	发明人	EDWARD BOK
分类号	B43K8/16;B43K8/18;(IPC1-7):B43K5/16	主分类号	B43K8/16
代理机构		代理人
主权项
地址

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