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发明名称
APPARATUS AND METHODS OF LINING PIPEWORK
摘要
申请公布号
GB8829974(D0)
申请公布日期
1989.02.15
申请号
GB19880029974
申请日期
1988.12.22
申请人
VICTAULIC 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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