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发明名称
FORINGSROER FOR PIPE
摘要
申请公布号
NO932935(D0)
申请公布日期
1993.08.18
申请号
NO19930002935
申请日期
1993.08.18
申请人
NORSK LECA, AS
发明人
JEPPESEN, HANS J.;RENNESUND, ROY
分类号
E04F;E04F17/04;E04H12/28;(IPC1-7):E04F/
主分类号
E04F
代理机构
代理人
主权项
地址
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