Rueckvorrichtung fuer das Strebfoerdermittel,申请号DE1948P000943-传众专利搜索

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发明名称	Rueckvorrichtung fuer das Strebfoerdermittel
摘要
申请公布号	DE804435(C)	申请公布日期	1951.04.23
申请号	DE1948P000943	申请日期	1948.10.02
申请人	ALEXANDER SCHUBERT	发明人	SCHUBERT ALEXANDER
分类号	E21F13/08	主分类号	E21F13/08
代理机构		代理人
主权项
地址

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