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发明名称
Shot hole cap wire catcher
摘要
申请公布号
US2755734(A)
申请公布日期
1956.07.24
申请号
US19520326743
申请日期
1952.12.18
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
SMITH JOHN T.
分类号
E02D5/80;F42D5/00
主分类号
E02D5/80
代理机构
代理人
主权项
地址
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