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发明名称
IMPROVED DRILL AND JOINT STRUCTURE WITH CHUCK THEREBY
摘要
申请公布号
JPH03184706(A)
申请公布日期
1991.08.12
申请号
JP19890321500
申请日期
1989.12.13
申请人
SAKURAI MASARU
发明人
SAKURAI ICHIRO
分类号
B23B47/34;B23B51/00
主分类号
B23B47/34
代理机构
代理人
主权项
地址
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