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发明名称
PREPARED HOLE TOOL HAVING REPLACEABLE TOOL SLEEVE PART
摘要
申请公布号
JPS62296091(A)
申请公布日期
1987.12.23
申请号
JP19870131984
申请日期
1987.05.29
申请人
UEIN EI KEISU
发明人
UEIN EI KEISU
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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