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发明名称
摘要
申请公布号	FR2485383(B3)	申请公布日期	1983.04.08
申请号	FR19800014590	申请日期	1980.06.27
申请人	DEGREMONT	发明人
分类号	B01D21/18;(IPC1-7):B01D21/20;C02F1/40	主分类号	B01D21/18
代理机构		代理人
主权项
地址

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