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发明名称
Verfahren zur Herstellung von Blechkanälen
摘要
申请公布号
CH451860(A)
申请公布日期
1968.05.15
申请号
CH19660006855
申请日期
1966.05.11
申请人
SIEGWART,EMIL
发明人
SIEGWART,EMIL
分类号
B21D39/04;(IPC1-7):B21D5/16
主分类号
B21D39/04
代理机构
代理人
主权项
地址
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