Improvements in or relating to air-purifying devices, particularly air-purifying canisters for use in respirators,申请号GB19360034949-传众专利搜索

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发明名称	Improvements in or relating to air-purifying devices, particularly air-purifying canisters for use in respirators
摘要
申请公布号	GB482768(A)	申请公布日期	1938.04.05
申请号	GB19360034949	申请日期	1936.12.19
申请人	MINE SAFETY APPLIANCES COMPANY	发明人
分类号	A62B23/02	主分类号	A62B23/02
代理机构		代理人
主权项
地址

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