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发明名称
METHOD OF TREATING SILICA-BASE MOULDING SAND
摘要
申请公布号
SU865484(A1)
申请公布日期
1981.09.23
申请号
SU19752314013
申请日期
1975.12.08
申请人
VITSENYA MAKSIM M,SU
发明人
VITSENYA MAKSIM M,SU
分类号
B22C5/00;(IPC1-7):B22C5/00
主分类号
B22C5/00
代理机构
代理人
主权项
地址
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