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经营范围
发明名称
FABRICATING STEEL PIPE WITH AN INTEGRALLY FORMED LINER
摘要
申请公布号
EP0754112(B1)
申请公布日期
2002.06.26
申请号
EP19950916330
申请日期
1995.04.06
申请人
W.E. HALL COMPANY
发明人
ANDRE, JAMES, R.
分类号
B21C37/12;B29C47/02;(IPC1-7):B29C47/02;F16L9/16;B32B31/30
主分类号
B21C37/12
代理机构
代理人
主权项
地址
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