GRAPHIC RECORDER WITH CHART-TENSIONING MECHANISM,申请号USD3611426-传众专利搜索

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发明名称	GRAPHIC RECORDER WITH CHART-TENSIONING MECHANISM
摘要
申请公布号	US3611426(A)	申请公布日期	1971.10.05
申请号	USD3611426	申请日期	1969.10.22
申请人	ZETA RESERACH INC.	发明人	JAMES F. GORDON
分类号	G01D15/24;(IPC1-7):G01D15/24;B65H17/28	主分类号	G01D15/24
代理机构		代理人
主权项
地址

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