Betonformstein fuer Streckenausbau,申请号DE1948P008292D-传众专利搜索

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发明名称	Betonformstein fuer Streckenausbau
摘要
申请公布号	DE806248(C)	申请公布日期	1951.06.14
申请号	DE1948P008292D	申请日期	1948.10.02
申请人	GEORG SEEGER	发明人	SEEGER GEORG
分类号	E21D11/06	主分类号	E21D11/06
代理机构		代理人
主权项
地址

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