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发明名称
METHOD & APPARATUS RELATING TO PIPE RENOVATION
摘要
申请公布号
GB8824523(D0)
申请公布日期
1988.11.23
申请号
GB19880024523
申请日期
1988.10.20
申请人
HUTTON, F A
发明人
分类号
F16L55/165;F16L55/18
主分类号
F16L55/165
代理机构
代理人
主权项
地址
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