Improvements in or relating to the visual depiction of the lines of force in a magnetic field,申请号GB19490031234-传众专利搜索

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发明名称	Improvements in or relating to the visual depiction of the lines of force in a magnetic field
摘要
申请公布号	GB664900(A)	申请公布日期	1952.01.16
申请号	GB19490031234	申请日期	1949.12.06
申请人	FRIEDRICH BLAHA;FELIX EHRENHAFT;JOHANN SCHEDLING	发明人
分类号	G01R33/10	主分类号	G01R33/10
代理机构		代理人
主权项
地址

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