Perfectionnement aux dispositifs à éléments coulissants utilisés pour le soutènement de mines et autres travaux souterrains,申请号FRD1193108-传众专利搜索

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发明名称	Perfectionnement aux dispositifs à éléments coulissants utilisés pour le soutènement de mines et autres travaux souterrains
摘要
申请公布号	FR1193108(A)	申请公布日期	1959.10.30
申请号	FRD1193108	申请日期	1958.03.07
申请人	DE WENDEL & COMPAGNIE	发明人
分类号	E21D11/22	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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