Dual element filter assembly having plural valves therein,申请号US19670654003-传众专利搜索

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发明名称	Dual element filter assembly having plural valves therein
摘要
申请公布号	US3397786(A)	申请公布日期	1968.08.20
申请号	US19670654003	申请日期	1967.07.17
申请人	CHAMPION LABORATORIES, INC.	发明人	HULTGREN WILLIAM H.
分类号	B01D27/02	主分类号	B01D27/02
代理机构		代理人
主权项
地址

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