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发明名称
Способ устранения горячих усадочных трещин при кокильном литье цветных сплавов
摘要
申请公布号
SU109264(A1)
申请公布日期
1957.11.30
申请号
SU19570574011
申请日期
1957.05.31
申请人
KOROLKOV G.A.;NOVIKOV I.I.
发明人
KOROLKOV G.A.;NOVIKOV I.I.
分类号
B22D27/08
主分类号
B22D27/08
代理机构
代理人
主权项
地址
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