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发明名称
Vorrichtung zum kontinuierlichen elektrischen Schweissen von Laengsnaehten, insbesondere Rohrlaengsnaehten
摘要
申请公布号
DE641681(C)
申请公布日期
1937.02.09
申请号
DE1933V029694D
申请日期
1933.07.06
申请人
VEREINIGTE STAHLWERKE AKT.-GES.
发明人
WOLFF JOSEF
分类号
B23K37/053
主分类号
B23K37/053
代理机构
代理人
主权项
地址
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