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经营范围
发明名称
BRUSH WEAR INDICATOR
摘要
申请公布号
GB2083956(B)
申请公布日期
1985.06.12
申请号
GB19810026565
申请日期
1981.09.02
申请人
GEC US
发明人
分类号
H01R39/58;H02K13/00;(IPC1-7):H01R39/58
主分类号
H01R39/58
代理机构
代理人
主权项
地址
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