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发明名称
Verfahren zum Herstellen von Formen
摘要
申请公布号
DE693032(C)
申请公布日期
1940.07.01
申请号
DE193800D9573D
申请日期
1938.12.29
申请人
DEUTSCHE EISENWERKE AKT.-GES.
发明人
GRAEF DIPL.-ING. HANS WERNER
分类号
B22D13/10
主分类号
B22D13/10
代理机构
代理人
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