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发明名称
Bronnhodeutstyr omfattende pakning med flere tettende flater
摘要
申请公布号
NO327171(B1)
申请公布日期
2009.05.04
申请号
NO20020003105
申请日期
2002.06.27
申请人
VETCO GRAY INC
发明人
BRAMMER NORMAN;SWEENEY THOMAS F;CHALMERS GEORGE
分类号
E21B33/02;F16J15/08
主分类号
E21B33/02
代理机构
代理人
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地址
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