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发明名称
DRILL HAVING NO CHISEL EDGE
摘要
申请公布号
JPH04164509(A)
申请公布日期
1992.06.10
申请号
JP19900288639
申请日期
1990.10.24
申请人
YAMAMOTO KENJI
发明人
YAMAMOTO KENJI
分类号
B23B51/00
主分类号
B23B51/00
代理机构
代理人
主权项
地址
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