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经营范围
发明名称
THERMAL SLIDE JOINT
摘要
申请公布号
GB2174737(B)
申请公布日期
1988.08.03
申请号
GB19860006826
申请日期
1986.03.19
申请人
* HUGHES TOOL COMPANY
发明人
ROBERT WAYNE * EVANS
分类号
E21B17/06;E21B33/10;(IPC1-7):E21B33/128
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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包(21)
锁(D)
型材(3901)