METHOD OF CLASSIFYING POWDERS ACCORDING TO GRAIN SIZES,申请号PL19850252187-传众专利搜索

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发明名称	METHOD OF CLASSIFYING POWDERS ACCORDING TO GRAIN SIZES
摘要
申请公布号	PL144631(B1)	申请公布日期	1988.06.30
申请号	PL19850252187	申请日期	1985.03.01
申请人		发明人
分类号	B07B;B07B7/01;(IPC1-7):B07B7/01	主分类号	B07B
代理机构		代理人
主权项
地址

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