étai hydraulique de mine,申请号FRD1060827-传众专利搜索

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发明名称	étai hydraulique de mine
摘要
申请公布号	FR1060827(A)	申请公布日期	1954.04.06
申请号	FRD1060827	申请日期	1952.01.09
申请人	GUTEHOFFNUNGSHU:TTE OBERHAUSEN A. G.	发明人
分类号	E21D15/30;E21D15/44;E21D15/51	主分类号	E21D15/30
代理机构		代理人
主权项
地址

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