DRILLING RIG CHUCK,申请号SU19864112148-传众专利搜索

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发明名称	DRILLING RIG CHUCK
摘要
申请公布号	SU1481374(A1)	申请公布日期	1989.05.23
申请号	SU19864112148	申请日期	1986.09.02
申请人	GOJ VLADIMIR L,SU;SHURYGIN ALEKSANDR A,SU	发明人	GOJ VLADIMIR L,SU;SHURYGIN ALEKSANDR A,SU
分类号	E21B19/10	主分类号	E21B19/10
代理机构		代理人
主权项
地址

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