Aus einem trapezfoermig geschnittenen Walzblech hergestellter Z-foermiger Kappschuh fuer eisernen Grubenausbau,申请号DE1928SC85724D-传众专利搜索

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发明名称	Aus einem trapezfoermig geschnittenen Walzblech hergestellter Z-foermiger Kappschuh fuer eisernen Grubenausbau
摘要
申请公布号	DE493340(C)	申请公布日期	1930.03.08
申请号	DE1928SC85724D	申请日期	1928.03.06
申请人	ALBERT SCHWESIG	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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