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经营范围
发明名称
Renovation of tunnels
摘要
申请公布号
GB2093943(A)
申请公布日期
1982.09.08
申请号
GB19810006651
申请日期
1981.03.03
申请人
REDLAND PIPES LTD
发明人
分类号
B29C55/24;B29C63/00;B29C63/24;B29C63/34;B29C67/00;F16L55/165;(IPC1-7):F16L11/12;F16L1/00
主分类号
B29C55/24
代理机构
代理人
主权项
地址
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