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发明名称
摘要
申请公布号	FR2223686(B1)	申请公布日期	1977.09.16
申请号	FR19740004960	申请日期	1974.02.14
申请人	KNECHT FILTERWERKE GMBH	发明人
分类号	F02M35/09;G01L7/06;G01L7/08;(IPC1-7):G01L21/02;F02B77/08;G01L23/24	主分类号	F02M35/09
代理机构		代理人
主权项
地址

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