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发明名称
Verfahren zur Herstellung von Wellblech mit genau uebereinstimmenden Wellen
摘要
申请公布号
DE528487(C)
申请公布日期
1931.06.29
申请号
DE1929S091758D
申请日期
1929.05.19
申请人
HANS SYROWY
发明人
分类号
B21D13/02
主分类号
B21D13/02
代理机构
代理人
主权项
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