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发明名称
HOLE-FORMING CORE
摘要
申请公布号
SU1655799(A1)
申请公布日期
1991.06.15
申请号
SU19884429606
申请日期
1988.05.24
申请人
PETROZAVODSKIJ G UNIV IM.O.V.KUUSINENA
发明人
KUZNETSOV YURIJ S,SU;SHAKHOV VIKTOR S,SU;KATANANDOV SERGEJ L,SU
分类号
B28B7/30;E04G15/06
主分类号
B28B7/30
代理机构
代理人
主权项
地址
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