Dispositif auxiliaire pour le soutènement, au moyen de chapeaux, dans les exploitations minières,申请号BE19590582603-传众专利搜索

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发明名称	Dispositif auxiliaire pour le soutènement, au moyen de chapeaux, dans les exploitations minières
摘要
申请公布号	BE582603(A1)	申请公布日期	1959.12.31
申请号	BE19590582603	申请日期	1959.09.11
申请人	RHEINSTAHL WANHEIM G.M.B.H.	发明人
分类号	E21D11/36;E21D17/086;(IPC1-7):E21D	主分类号	E21D11/36
代理机构		代理人
主权项
地址

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