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发明名称
Method of connecting tubular members in a well string
摘要
申请公布号
US3212578(A)
申请公布日期
1965.10.19
申请号
US19620187059
申请日期
1962.04.12
申请人
HASHA MALVERN M
发明人
HASHA MALVERN M.
分类号
E21B19/16
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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