Kappschuh fuer den Grubenausbau,申请号DE1929T037249D-传众专利搜索

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发明名称	Kappschuh fuer den Grubenausbau
摘要
申请公布号	DE531710(C)	申请公布日期	1931.08.18
申请号	DE1929T037249D	申请日期	1929.07.14
申请人	ALFRED THIEMANN	发明人
分类号	E21D11/34	主分类号	E21D11/34
代理机构		代理人
主权项
地址

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