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经营范围
发明名称
CASTING CORE
摘要
申请公布号
SU916074(A1)
申请公布日期
1982.03.30
申请号
SU19802979260
申请日期
1980.08.25
申请人
PLASHCHENKOV NIKOLAJ,SU
发明人
PLASHCHENKOV NIKOLAJ I,SU
分类号
B22D15/00;(IPC1-7):B22D15/00
主分类号
B22D15/00
代理机构
代理人
主权项
地址
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