Schwenkbare, in einer Wandnische untergebrachte Treppe,申请号DE1950F000839-传众专利搜索

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发明名称	Schwenkbare, in einer Wandnische untergebrachte Treppe
摘要
申请公布号	DE838816(C)	申请公布日期	1952.05.12
申请号	DE1950F000839	申请日期	1950.02.15
申请人	FRANKE & HEYDRICH G.M.B.H.	发明人
分类号	E04F11/04	主分类号	E04F11/04
代理机构		代理人
主权项
地址

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