Improvements in or relating to air filters,申请号GB19470009469-传众专利搜索

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发明名称	Improvements in or relating to air filters
摘要
申请公布号	GB635076(A)	申请公布日期	1950.04.05
申请号	GB19470009469	申请日期	1947.04.09
申请人	ROY CARNOCHAN;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED	发明人
分类号	B01D46/22	主分类号	B01D46/22
代理机构		代理人
主权项
地址

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