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经营范围
发明名称
INSERT FOR INSULATED STEAM INJECTION TUBING
摘要
申请公布号
PH22314(A)
申请公布日期
1988.07.29
申请号
PH19230000322
申请日期
1985.05.02
申请人
BABCOCK & WILCOX CO.
发明人
KNEIDEL KURT E.;MINH LUU
分类号
E21B17/00;E21B36/00;F16L59/16;F16L59/18
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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