ETANCON DE MINE HYDRAULIQUE,申请号BE19710775745-传众专利搜索

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发明名称	ETANCON DE MINE HYDRAULIQUE
摘要
申请公布号	BE775745(A1)	申请公布日期	1972.03.16
申请号	BE19710775745	申请日期	1971.11.24
申请人	RHEINSTAHL A.G., AM RHEINSTAHLHAUS, 1, 43 ESSEN, ALLEMAGNE,	发明人
分类号	E21D15/44;(IPC1-7):E21D/	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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