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发明名称
Ступенчатая литниковая система для заливки литейных форм
摘要
申请公布号
SU146000(A1)
申请公布日期
1961.11.30
申请号
SU19610724912
申请日期
1961.03.31
申请人
发明人
DUBITSKIJ G.M.;TOKAREV ZH.V.
分类号
B22C9/08
主分类号
B22C9/08
代理机构
代理人
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地址
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