Nachgiebiger, fuer eisernen Grubenausbau bestimmter Stelzschuh,申请号DE1933ST50735D-传众专利搜索

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发明名称	Nachgiebiger, fuer eisernen Grubenausbau bestimmter Stelzschuh
摘要
申请公布号	DE621250(C)	申请公布日期	1935.11.04
申请号	DE1933ST50735D	申请日期	1933.04.02
申请人	STAHLWERKE BRUENINGHAUS AKT.-GES.	发明人
分类号	E21D11/22	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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