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经营范围
发明名称
METHOD OF CLASSIFYING POWDERS ACCORDING TO GRAIN SIZES
摘要
申请公布号
PL252187(A1)
申请公布日期
1986.09.09
申请号
PL19850252187
申请日期
1985.03.01
申请人
POLITECHNIKA WARSZAWSKA
发明人
ZAWISLAWSKI ZYGMUNT
分类号
B07B;B07B7/01;(IPC1-7):B07B/
主分类号
B07B
代理机构
代理人
主权项
地址
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