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发明名称
POWDER CLASSIFIER
摘要
申请公布号
SU1711993(A1)
申请公布日期
1992.02.15
申请号
SU19894772153
申请日期
1989.12.05
申请人
DYATLOV VLADIMIR A
发明人
DYATLOV VLADIMIR A,SU
分类号
B07B7/00
主分类号
B07B7/00
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