Improvements in and relating to fire-escape ladders,申请号GB19380005177-传众专利搜索

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发明名称	Improvements in and relating to fire-escape ladders
摘要
申请公布号	GB505058(A)	申请公布日期	1939.05.04
申请号	GB19380005177	申请日期	1938.02.18
申请人	HUMBOLDT-DEUTZMOTOREN AKTIENGESELLSCHAFT	发明人
分类号	E06C5/38	主分类号	E06C5/38
代理机构		代理人
主权项
地址

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