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经营范围
发明名称
Pipe, especially of concrete, comprising a seal and a process for the manufacture of such a pipe
摘要
申请公布号
EP1054204(A3)
申请公布日期
2002.08.07
申请号
EP20000401323
申请日期
2000.05.15
申请人
BONNA SABLA
发明人
FIFER, ROBERT JAMES
分类号
B28B21/56;F16L21/05;(IPC1-7):F16L21/03;E03F3/04
主分类号
B28B21/56
代理机构
代理人
主权项
地址
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