Improvements in or relating to electro-magnetic vibrators,申请号GB19490001302-传众专利搜索

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发明名称	Improvements in or relating to electro-magnetic vibrators
摘要
申请公布号	GB660886(A)	申请公布日期	1951.11.14
申请号	GB19490001302	申请日期	1949.01.17
申请人	DONALD ARNOTT STEWART;WESTOOL LIMITED	发明人
分类号	B06B1/14;H02K33/04	主分类号	B06B1/14
代理机构		代理人
主权项
地址

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