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发明名称
Hydraulic coupling member with dual electrical bonding contacts
摘要
申请公布号
GB2475135(A)
申请公布日期
2011.05.11
申请号
GB20100017529
申请日期
2010.10.18
申请人
NATIONAL COUPLING COMPANY, INC.
发明人
ROBERT E SMITH ¦¦¦
分类号
F16L25/01;E21B33/038
主分类号
F16L25/01
代理机构
代理人
主权项
地址
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