PANA PENTRU PRAJINI DE FORAJ,申请号RO19780095512-传众专利搜索

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发明名称	PANA PENTRU PRAJINI DE FORAJ
摘要
申请公布号	RO76280(A2)	申请公布日期	1981.03.30
申请号	RO19780095512	申请日期	1978.10.27
申请人	INSTITUTUL DE CERCETARI SI INGINERIE TEHNOLOGICA PENTRU UTILAJ PETROLIER,RO	发明人	RADULESCU,ALEXANDRU,RO;MATU,TUDOR,RO
分类号	E21B19/10;(IPC1-7):E21B19/10	主分类号	E21B19/10
代理机构		代理人
主权项
地址

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