PNEUMATIC SIFTER FOR DETERMINING CONTENT OF INDIVIDUAL GRAIN FRACTIONS IN DUSTY MATERIALS,申请号PL19870264918-传众专利搜索

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发明名称	PNEUMATIC SIFTER FOR DETERMINING CONTENT OF INDIVIDUAL GRAIN FRACTIONS IN DUSTY MATERIALS
摘要
申请公布号	PL148641(B1)	申请公布日期	1989.11.30
申请号	PL19870264918	申请日期	1987.03.30
申请人		发明人
分类号	B07B;B07B7/08;(IPC1-7):B07B7/08	主分类号	B07B
代理机构		代理人
主权项
地址

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