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发明名称
Vorrichtung zur Herstellung von Stahlstichprägungen mit Durchbruch.
摘要
申请公布号
AT121586(B)
申请公布日期
1931.02.25
申请号
ATD121586
申请日期
1930.04.16
申请人
AUGUST ULRICH
发明人
AUGUST ULRICH
分类号
主分类号
代理机构
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