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发明名称
Verfahren zum Giessen von Bloecken
摘要
申请公布号
DE840901(C)
申请公布日期
1952.06.09
申请号
DE1944D001387D
申请日期
1944.12.19
申请人
RHEINISCHE ROEHRENWERKE A. G.
发明人
EXNER THEODOR
分类号
B22D35/04
主分类号
B22D35/04
代理机构
代理人
主权项
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