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发明名称
Improvements in the brush gear of dynamo-electrical machines
摘要
申请公布号
GB537242(A)
申请公布日期
1941.06.13
申请号
GB19390032079
申请日期
1939.12.12
申请人
JOHN RICHARD JONES
发明人
分类号
B41J2/465;H01R39/06;H01R39/38
主分类号
B41J2/465
代理机构
代理人
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