INSTALATIE DE PERFORARE HIDROPNEUMATICA,申请号RO19770091819-传众专利搜索

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发明名称	INSTALATIE DE PERFORARE HIDROPNEUMATICA
摘要
申请公布号	RO75380(A2)	申请公布日期	1981.01.30
申请号	RO19770091819	申请日期	1977.10.12
申请人	MANASTIREANU,MIHAI,RO;MICAN,NICOLAE,RO;BIRHALA,CORNELIU,RO	发明人	MANASTIREANU,MIHAI,RO;MICAN,NICOLAE,RO;BIRHALA,CORNELIU,RO
分类号	E21C29/00;(IPC1-7):E21C29/00	主分类号	E21C29/00
代理机构		代理人
主权项
地址

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