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发明名称
METHOD OF & APPARATUS FOR LINING OF EXISTING PIPES
摘要
申请公布号
GB8810895(D0)
申请公布日期
1988.06.15
申请号
GB19880010895
申请日期
1988.05.09
申请人
BRITISH GAS PLC
发明人
分类号
F16L55/165
主分类号
F16L55/165
代理机构
代理人
主权项
地址
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