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发明名称
Combination packer and setting tool
摘要
申请公布号
US1810352(A)
申请公布日期
1931.06.16
申请号
US19290399664
申请日期
1929.10.14
申请人
J. A. LOGAN
发明人
HUMASON GRANVILLE A.
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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