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发明名称
Bit guide setting tool
摘要
申请公布号
US3195640(A)
申请公布日期
1965.07.20
申请号
US19620230477
申请日期
1962.10.15
申请人
SHAFFER TOOL WORKS
发明人
WILDE ARTHUR E.
分类号
E21B17/10;E21B33/035
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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