An arrangement relating to gas masks,申请号GB19590043039-传众专利搜索

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发明名称	An arrangement relating to gas masks
摘要
申请公布号	GB873011(A)	申请公布日期	1961.07.19
申请号	GB19590043039	申请日期	1959.12.18
申请人	LEIV HELLY-HANSEN	发明人
分类号	A62B18/00	主分类号	A62B18/00
代理机构		代理人
主权项
地址

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