Electromagnetic warning system,申请号GB19890009870-传众专利搜索

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发明名称	Electromagnetic warning system
摘要
申请公布号	GB2220823(A)	申请公布日期	1990.01.17
申请号	GB19890009870	申请日期	1989.04.28
申请人	KENNETH ELROY * HJELMSTAD	发明人	KENNETH ELROY * HJELMSTAD
分类号	H04B11/00	主分类号	H04B11/00
代理机构		代理人
主权项
地址

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