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经营范围
发明名称
DUST PREPARING SYSTEM
摘要
申请公布号
SU799817(A1)
申请公布日期
1981.01.30
申请号
SU19782613467
申请日期
1978.05.10
申请人
LEJKIN VLADIMIR Z,SU;DRONOV YURIJ D,SU;LUZIN PAVEL M,SU
发明人
LEJKIN VLADIMIR Z,SU;DRONOV YURIJ D,SU;LUZIN PAVEL M,SU
分类号
B02C21/00;(IPC1-7):B02C21/00
主分类号
B02C21/00
代理机构
代理人
主权项
地址
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