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发明名称
Приспособление для получения стальных слитков с уменьшенными усадочными раковинами
摘要
申请公布号
SU45047(A1)
申请公布日期
1935.11.30
申请号
SU19340059901
申请日期
1934.12.29
申请人
KOVALCHUK-KHOVALEVSKIJ A.I.
发明人
KOVALCHUK-KHOVALEVSKIJ A.I.
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
主权项
地址
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