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发明名称
DRILL
摘要
PURPOSE:To keep a bite unreasonable cutting resistance by devising a way of hinging a holder on a drill,s main body, and also by utilizing a special plate spring.
申请公布号
JPS5223789(A)
申请公布日期
1977.02.22
申请号
JP19750099296
申请日期
1975.08.14
申请人
MOTOTANI SEIKOU KK
发明人
MOTOTANI EIJI
分类号
B23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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