Improvements in or relating to gas masks,申请号GB19360035336-传众专利搜索

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发明名称	Improvements in or relating to gas masks
摘要
申请公布号	GB480473(A)	申请公布日期	1938.02.23
申请号	GB19360035336	申请日期	1936.12.24
申请人	VACLAV HORAK	发明人
分类号	A62B18/02	主分类号	A62B18/02
代理机构		代理人
主权项
地址

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