Valve Device for Air-Raid Shelters,申请号GB19670022261-传众专利搜索

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发明名称	Valve Device for Air-Raid Shelters
摘要
申请公布号	GB1175078(A)	申请公布日期	1969.12.23
申请号	GB19670022261	申请日期	1967.05.12
申请人	HUGO RICKENBACH	发明人	HUGO RICKENBACH
分类号	A62B13/00;F16K17/04;F16K17/26	主分类号	A62B13/00
代理机构		代理人
主权项
地址

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