étai hydraulique de mine,申请号FR19600818542-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	FR1248352(A)	申请公布日期	1960.12.09
申请号	FR19600818542	申请日期	1960.02.15
申请人	GUTEHOFFNUNGSHU:TTE STERKRADE AKTIENGESELLSCHAFT	发明人
分类号	E21D15/44;E21D15/58	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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