Fibrous filter sheet for gases,申请号US19470761190-传众专利搜索

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发明名称	Fibrous filter sheet for gases
摘要
申请公布号	US2664964(A)	申请公布日期	1954.01.05
申请号	US19470761190	申请日期	1947.07.16
申请人	ARTHUR ASPLUND ARNE JOHAN	发明人	ASPLUND ARNE JOHAN ARTHUR
分类号	B01D39/16;B01D46/00;F02M35/024	主分类号	B01D39/16
代理机构		代理人
主权项
地址

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