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发明名称
Vorrichtung zum Biegen von Blechstreifen o. dgl., insbesondere zu mehr oder weniger g eschlossenen Roehren
摘要
申请公布号
DE618901(C)
申请公布日期
1935.09.20
申请号
DE1933H138459D
申请日期
1933.12.23
申请人
WILHELM HEINEN
发明人
分类号
B21D5/14
主分类号
B21D5/14
代理机构
代理人
主权项
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