An air raid protection device for roof and side glazing,申请号GB19390020810-传众专利搜索

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发明名称	An air raid protection device for roof and side glazing
摘要
申请公布号	GB531399(A)	申请公布日期	1941.01.03
申请号	GB19390020810	申请日期	1939.07.18
申请人	GUEST, KEEN & NETTLEFOLDS, LIMITED;MAJOR CHARLES OAKLEY	发明人
分类号	E04D3/06;E04D3/08	主分类号	E04D3/06
代理机构		代理人
主权项
地址

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