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发明名称	étançon de mine
摘要
申请公布号	FR1059603(A)	申请公布日期	1954.03.26
申请号	FRD1059603	申请日期	1952.07.09
申请人	GUTEHOFFNUNGSHU:TTE OBERHAUSEN AKTIENGESELLSCHAFT	发明人
分类号	E21D15/28	主分类号	E21D15/28
代理机构		代理人
主权项
地址

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