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发明名称
Приспособление для прекращения прорыва металла из форм
摘要
申请公布号
SU24085(A1)
申请公布日期
1931.11.30
申请号
SU19310084131
申请日期
1931.02.24
申请人
SOPOV V.N.
发明人
SOPOV V.N.
分类号
B22C9/08
主分类号
B22C9/08
代理机构
代理人
主权项
地址
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