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发明名称
UNTIEFEN-UNTERWASSERMODULEINRICHTUNG.
摘要
申请公布号
DE3880166(T2)
申请公布日期
1993.07.29
申请号
DE19883880166T
申请日期
1988.02.05
申请人
CONOCO INC., PONCA CITY, OKLA., US
发明人
WYBRO, PIETER G., RICHMOND TX 77469, US;LEACH, COLIN P., HOUSTON TX 77077, US
分类号
E21B7/128;E21B33/076;E21B43/01;E21B43/017;(IPC1-7):E21B43/01
主分类号
E21B7/128
代理机构
代理人
主权项
地址
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