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经营范围
发明名称
DIAMOND CORE BIT
摘要
申请公布号
JPH07148729(A)
申请公布日期
1995.06.13
申请号
JP19930296998
申请日期
1993.11.26
申请人
HITACHI KOKI CO LTD
发明人
KUCHIKI TAKAYOSHI;ODAKA MAMORU;KIKUCHI KENSHO
分类号
B23B51/04;B24D7/18;B28D1/04;B28D1/14;(IPC1-7):B28D1/14
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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