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发明名称
Distributor repair device
摘要
申请公布号
US2872722(A)
申请公布日期
1959.02.10
申请号
US19570663139
申请日期
1957.06.03
申请人
EWING RALPH L
发明人
EWING RALPH L.
分类号
B24B23/08
主分类号
B24B23/08
代理机构
代理人
主权项
地址
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