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发明名称
REMOTELY ESTABLISHING CONTACT WITH AN UNDERWATER WELLHEAD
摘要
申请公布号
GB1271462(A)
申请公布日期
1972.04.19
申请号
GB19690037935
申请日期
1969.07.29
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
PAUL LEMON DODD;CHARLES PRICE PETERMAN;WILLIAM HENRY PETERSEN
分类号
E21B7/132;E21B7/128;E21B33/035;E21B33/038;E21B41/10
主分类号
E21B7/132
代理机构
代理人
主权项
地址
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