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发明名称
Vorrichtung zum fortlaufenden Herstellen laengsnahtgeschweisster Rohre
摘要
申请公布号
DE1452360(A1)
申请公布日期
1969.03.27
申请号
DE19641452360
申请日期
1964.07.28
申请人
LORRAINE-ESCAUT SOCIETE
发明人
DE CORTA,HUBERT
分类号
B21C37/08;B21C37/083;B23K13/02
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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