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发明名称
CHIP FRACTURE TYPE DRILLING DEVICE
摘要
申请公布号
JPS6274515(A)
申请公布日期
1987.04.06
申请号
JP19850214099
申请日期
1985.09.26
申请人
MIYANAGA:KK
发明人
MIYANAGA MASAAKI
分类号
B23B47/34;B23B31/02;B23B31/107;B23B31/22;B23B51/04
主分类号
B23B47/34
代理机构
代理人
主权项
地址
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