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发明名称
VERFAHREN UND VORRICHTUNG ZUR AUSKLEIDUNG VON ROHREN MIT EINEM POLYMEREN
摘要
申请公布号
DD295900(A5)
申请公布日期
1991.11.14
申请号
DD19890328424
申请日期
1989.05.09
申请人
BRITISH GAS PLC,GB
发明人
MCGUIRE,BRIAN E.,GB
分类号
F16L55/165;(IPC1-7):F16L57/00;F16L55/18;F16L58/10
主分类号
F16L55/165
代理机构
代理人
主权项
地址
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