UNA MAQUINA DE PISTON DE IMPACTO.,申请号ES19660001923U-传众专利搜索

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发明名称	UNA MAQUINA DE PISTON DE IMPACTO.
摘要
申请公布号	ES192366(Y)	申请公布日期	1975.02.16
申请号	ES19660001923U	申请日期	1970.07.06
申请人	BERGMAN	发明人
分类号	E21B1/34	主分类号	E21B1/34
代理机构		代理人
主权项
地址

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