APPARATUS TO ASSIST IN DRAUGHTING USING A DRAWING BOARD,申请号GB19790013215-传众专利搜索

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发明名称	APPARATUS TO ASSIST IN DRAUGHTING USING A DRAWING BOARD
摘要
申请公布号	GB2025633(B)	申请公布日期	1982.12.01
申请号	GB19790013215	申请日期	1979.04.17
申请人	MAX CO LTD	发明人
分类号	B43L13/02;B43L13/08;(IPC1-7):B43L13/02	主分类号	B43L13/02
代理机构		代理人
主权项
地址

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