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发明名称
Setting tool
摘要
申请公布号
US2099048(A)
申请公布日期
1937.11.16
申请号
US19350048514
申请日期
1935.11.06
申请人
ERWIN BURNS;WICKERSHAM HARRY P
发明人
BURNS ERWIN;WICKERSHAM HARRY P.
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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