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发明名称
Verfahren zur Herstellung von Gegenständen mit feinen Löchern, Kanälen od. dgl. aus harten, hochschmelzenden Metallen oder Legierungen durch Gießen
摘要
申请公布号
AT175346(B)
申请公布日期
1953.06.25
申请号
ATD175346
申请日期
1949.03.30
申请人
NICOLAS HERZMARK
发明人
ERIC HENRY ZAHN;NICOLAS HERZMARK
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