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发明名称
TIP BREAKER DRILL AND METHOD OF MANUFACTURING SAME
摘要
申请公布号
JPS52116980(A)
申请公布日期
1977.09.30
申请号
JP19760033144
申请日期
1976.03.26
申请人
发明人
分类号
B23B51/00;B23B51/02;B23P15/32
主分类号
B23B51/00
代理机构
代理人
主权项
地址
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