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发明名称
Kernstuetze fuer Giessereien
摘要
申请公布号
DE495982(C)
申请公布日期
1930.04.12
申请号
DE1928N029613D
申请日期
1928.11.24
申请人
NIEDERRHEINISCHE EISENHUETTE;MASCHINENFABRIK A.-G.
发明人
分类号
B22C21/14
主分类号
B22C21/14
代理机构
代理人
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地址
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