Electro magnetic pen,申请号GB19970021675-传众专利搜索

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发明名称	Electro magnetic pen
摘要
申请公布号	GB9721675(D0)	申请公布日期	1997.12.10
申请号	GB19970021675	申请日期	1997.10.14
申请人	JOHANNES-FIELD-GENERATORS UK, THE LIMITED	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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