Improvements in methods of magnetizing and de-magnetizing magnets,申请号GB19400012777-传众专利搜索

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发明名称	Improvements in methods of magnetizing and de-magnetizing magnets
摘要
申请公布号	GB543148(A)	申请公布日期	1942.02.12
申请号	GB19400012777	申请日期	1940.08.09
申请人	JOHN HEREWARD REYNER	发明人
分类号	H01F13/00	主分类号	H01F13/00
代理机构		代理人
主权项
地址

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