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发明名称
Verfahren und Vorrichtung zur Erzeugung von Faltenblechen mit engen Falten.
摘要
申请公布号
CH300097(A)
申请公布日期
1954.07.15
申请号
CHD300097
申请日期
1949.10.03
申请人
HERTWIG,ERNST
发明人
HERTWIG,ERNST
分类号
B21D13/04
主分类号
B21D13/04
代理机构
代理人
主权项
地址
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