Mehrteiliger Grubenausbau, insbesondere Streckenausbau, mit nachgiebigem Verzug,申请号DE1956R018498-传众专利搜索

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发明名称	Mehrteiliger Grubenausbau, insbesondere Streckenausbau, mit nachgiebigem Verzug
摘要
申请公布号	DE1053452(B)	申请公布日期	1959.03.26
申请号	DE1956R018498	申请日期	1956.03.12
申请人	WILHELM REPPEL JUN.	发明人	JUN. WILHELM REPPEL
分类号	E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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