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发明名称
Improvements in contact-breaker point grinding devices
摘要
申请公布号
GB889353(A)
申请公布日期
1962.02.14
申请号
GB19590006006
申请日期
1959.02.20
申请人
THOMAS JOHN CLARKE
发明人
分类号
B24B23/08
主分类号
B24B23/08
代理机构
代理人
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