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发明名称
Fertigungsanlage fuer aus einem Steg,einem Ober- und/oder einem Untergurt zusammengeschweisste Stahlleichtbautraeger unter Verwendung von bandfoermigem Ausgangsmaterial
摘要
申请公布号
DE1452956(A1)
申请公布日期
1969.06.04
申请号
DE19631452956
申请日期
1963.06.05
申请人
THEODOR WUPPERMANN GMBH
发明人
HANS PRELLER,DIPL.-ING.
分类号
B21D47/04;B23K1/00;B23K31/02;B23Q7/14;E04C3/02;E04C3/04;E04C3/07
主分类号
B21D47/04
代理机构
代理人
主权项
地址
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