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发明名称
FLUSHING ASSEMBLY OF DRILLING BIT
摘要
申请公布号
SU1040111(A1)
申请公布日期
1983.09.07
申请号
SU19823436265
申请日期
1982.05.12
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
ABDULZADE ALIBAJRAM M,SU;YASOV VITALIJ G,SU;EJGELES RUDOLF M,SU;ABDULZADE FUAD A,SU
分类号
E21B10/18;(IPC1-7):E21B10/18
主分类号
E21B10/18
代理机构
代理人
主权项
地址
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