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发明名称
ELEKTRISCHE KOPPELING BESTAANDE UIT ONDER WATER KOPPELBARE DELEN.
摘要
申请公布号
NL8901595(A)
申请公布日期
1990.01.16
申请号
NL19890001595
申请日期
1989.06.23
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. TE 'S-GRAVENHAGE.
发明人
分类号
E21B33/038;H01R13/523
主分类号
E21B33/038
代理机构
代理人
主权项
地址
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