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发明名称
Verfahren zum Verbinden von Stahlrohren grossen Durchmessers sowie Rohrstueck zur Verwendung bei diesem Verfahren
摘要
申请公布号
DE1933888(A1)
申请公布日期
1971.01.28
申请号
DE19691933888
申请日期
1969.07.03
申请人
NIPPON KOKAN KABUSHIKI KAISHA
发明人
HARA,ATSUSHI;OCHI,RYOZI
分类号
F16L13/02
主分类号
F16L13/02
代理机构
代理人
主权项
地址
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