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发明名称
Abdeckmittel zum Herstellen von Hohlgussbloecken
摘要
申请公布号
DE672685(C)
申请公布日期
1939.03.08
申请号
DE1938D077859D
申请日期
1938.04.29
申请人
DEUTSCHE ROEHRENWERKE AKT.-GES.
发明人
HALBROCK FRITZ;BAUMGARDT DR. WILHELM
分类号
B22D7/04;B22D27/06
主分类号
B22D7/04
代理机构
代理人
主权项
地址
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