APPARATUS FOR DRILLING LARGE-DIAMETER HOLES,申请号SU19864072738-传众专利搜索

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发明名称	APPARATUS FOR DRILLING LARGE-DIAMETER HOLES
摘要
申请公布号	SU1346802(A1)	申请公布日期	1987.10.23
申请号	SU19864072738	申请日期	1986.05.30
申请人	MO GEOLOGORAZVEDOCHNYJ I IM.SERGO ORDZHONIKIDZE	发明人	CHUNOSOV VALERIJ V,SU;KARPIKOV ALEKSEJ P,SU;BLAGINYKH IGOR L,SU
分类号	E21D1/06	主分类号	E21D1/06
代理机构		代理人
主权项
地址

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