DEVICE FOR EJECTOR DEEP-HOLE DRILLING,申请号SU19894641172-传众专利搜索

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发明名称	DEVICE FOR EJECTOR DEEP-HOLE DRILLING
摘要
申请公布号	SU1673307(A1)	申请公布日期	1991.08.30
申请号	SU19894641172	申请日期	1989.01.25
申请人	LE MEKHANICHESKIJ I MARSHALA SOVETSKOGO SOYUZA USTINOVA D.F.	发明人	SILIN NIKOLAJ S,SU
分类号	B23B51/06	主分类号	B23B51/06
代理机构		代理人
主权项
地址

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