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发明名称
METHOD AND APPARATUS FOR MEASURING MOTOR BRUSH ABRASION LOSS
摘要
申请公布号
JPH01321845(A)
申请公布日期
1989.12.27
申请号
JP19880151249
申请日期
1988.06.21
申请人
HITACHI LTD
发明人
FUJII TERU;ARAYA TATSUYA;SAITO YASUMASA
分类号
H02K13/00;G01B11/02
主分类号
H02K13/00
代理机构
代理人
主权项
地址
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