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发明名称
Setting tool
摘要
申请公布号
US1912823(A)
申请公布日期
1933.06.06
申请号
US19320647584
申请日期
1932.12.16
申请人
TEXAS IRON WORKS SALES CORPORATION
发明人
CHURCH WALTER L.
分类号
E21B23/06
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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