Improvements in or relating to apparatus for measuring earth resistances,申请号GB19390025007-传众专利搜索

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发明名称	Improvements in or relating to apparatus for measuring earth resistances
摘要
申请公布号	GB532476(A)	申请公布日期	1941.01.24
申请号	GB19390025007	申请日期	1939.08.31
申请人	"FIDES GESELLSCHAFT FUER DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTEN MIT BESCHRAENKTER HAFTUNG"	发明人
分类号	G01V3/06	主分类号	G01V3/06
代理机构		代理人
主权项
地址

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