Gasdichte Abdeckung waagerechter Kellerienster und Luftschutzraumausstiege,申请号DE1940M146891D-传众专利搜索

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发明名称	Gasdichte Abdeckung waagerechter Kellerienster und Luftschutzraumausstiege
摘要
申请公布号	DE712887(C)	申请公布日期	1941.10.27
申请号	DE1940M146891D	申请日期	1940.01.18
申请人	MANNESMANN-STAHLBLECHBAU AKT.-GES.	发明人	MEIER OTTO HERBERT
分类号	E06B5/14	主分类号	E06B5/14
代理机构		代理人
主权项
地址

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