Improvements in air filters,申请号GB19450004781-传众专利搜索

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发明名称	Improvements in air filters
摘要
申请公布号	GB585530(A)	申请公布日期	1947.02.10
申请号	GB19450004781	申请日期	1945.02.26
申请人	SYDNEY HOLT;CUTHBERT VERNON WARD	发明人
分类号	B01D46/10	主分类号	B01D46/10
代理机构		代理人
主权项
地址

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