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发明名称
Underwater guide line system
摘要
申请公布号
US3050139(A)
申请公布日期
1962.08.21
申请号
US19600043576
申请日期
1960.07.18
申请人
SHELL OIL COMPANY
发明人
HAYES WILLIAM J.
分类号
E21B41/10
主分类号
E21B41/10
代理机构
代理人
主权项
地址
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