Bergeversatzmaschine mit an einem stielartigen Hebel befestigter Schaufel,申请号DE1929D057632D-传众专利搜索

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发明名称	Bergeversatzmaschine mit an einem stielartigen Hebel befestigter Schaufel
摘要
申请公布号	DE509146(C)	申请公布日期	1930.10.06
申请号	DE1929D057632D	申请日期	1929.02.06
申请人	BERNHARD DROSTE;AUGUST ECKEY	发明人
分类号	E21F15/06	主分类号	E21F15/06
代理机构		代理人
主权项
地址

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