Perforatrice pour le forage de roches,申请号FR19640973984-传众专利搜索

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发明名称	Perforatrice pour le forage de roches
摘要
申请公布号	FR1392419(A)	申请公布日期	1965.03.12
申请号	FR19640973984	申请日期	1964.05.11
申请人	ELEKTROMEKHANITCHESKY ZAVOD	发明人
分类号	E21B3/00	主分类号	E21B3/00
代理机构		代理人
主权项
地址

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