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发明名称
PIPELINES
摘要
申请公布号
GB2252809(B)
申请公布日期
1993.01.13
申请号
GB19920004094
申请日期
1992.02.25
申请人
* BRITISH GAS PLC
发明人
BRIAN EDWARD * MCGUIRE
分类号
B29C55/30;B29C63/34;F16L55/165;F16L55/18
主分类号
B29C55/30
代理机构
代理人
主权项
地址
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