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发明名称
Fremgangsmåte og anlegg for å lage sveisefuge i endene av et rör i forbindelse med kapping av röret
摘要
申请公布号
NO973571(D0)
申请公布日期
1997.08.04
申请号
NO19970003571
申请日期
1997.08.04
申请人
AJOD AS
发明人
GREVSTAD, ASBJOERN J.
分类号
F16L;(IPC1-7):F16L
主分类号
F16L
代理机构
代理人
主权项
地址
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