Improvements in or relating to gas filtering apparatus,申请号GB19530007749-传众专利搜索

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发明名称	Improvements in or relating to gas filtering apparatus
摘要
申请公布号	GB725712(A)	申请公布日期	1955.03.09
申请号	GB19530007749	申请日期	1953.03.20
申请人	MINE SAFETY APPLIANCES COMPANY	发明人	LEWIS JOHN MERTENS;BUB ROBERT ALGOT
分类号	B01D46/18	主分类号	B01D46/18
代理机构		代理人
主权项
地址

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