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发明名称
Tubing bleeder
摘要
申请公布号
US1854477(A)
申请公布日期
1932.04.19
申请号
US19290393800
申请日期
1929.09.19
申请人
MCKISSICK WILLIAM H
发明人
MCKISSICK WILLIAM H.
分类号
E21B34/14
主分类号
E21B34/14
代理机构
代理人
主权项
地址
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