Dispositif hydraulique de pose pour étançons de mine en plusieurs parties,申请号FRD1046836-传众专利搜索

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发明名称	Dispositif hydraulique de pose pour étançons de mine en plusieurs parties
摘要
申请公布号	FR1046836(A)	申请公布日期	1953.12.09
申请号	FRD1046836	申请日期	1951.09.11
申请人		发明人	MU:THING EUGEN
分类号	E21D15/58	主分类号	E21D15/58
代理机构		代理人
主权项
地址

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