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发明名称
Vorrichtung zur Herstellung von Rohren aus schraubenfoermig gewundenem Stahlband durch Lichtbogenschweissung
摘要
申请公布号
DE1080241(B)
申请公布日期
1960.04.21
申请号
DE1958H032794
申请日期
1958.03.24
申请人
HOESCH ROHRWERKE AKTIENGESELLSCHAFT
发明人
DIENER RICHARD;WENNEMANN WERNER
分类号
B21C37/12;B23K9/032
主分类号
B21C37/12
代理机构
代理人
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