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发明名称
INVESTMENT CORE
摘要
申请公布号
SU644595(A1)
申请公布日期
1979.01.30
申请号
SU19772534097
申请日期
1977.10.17
申请人
KARANIK YURIJ A,SU
发明人
KARANIK YURIJ A,SU
分类号
B22D15/00;(IPC1-7):B22D15/00
主分类号
B22D15/00
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代理人
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