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发明名称
Cutter bit and support therefor having resilient detent means
摘要
申请公布号
US3116052(A)
申请公布日期
1963.12.31
申请号
US19590856588
申请日期
1959.12.01
申请人
JOY MANUFACTURING COMPANY
发明人
OSGOOD CHARLES F.
分类号
E21C35/19
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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