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发明名称
摘要
申请公布号	FR2251346(B1)	申请公布日期	1981.12.24
申请号	FR19740037869	申请日期	1974.11.18
申请人	PIELKENROOD VINITEX BV	发明人
分类号	B01D21/01;B01D17/02;B01D17/04;(IPC1-7):B01D21/00	主分类号	B01D21/01
代理机构		代理人
主权项
地址

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