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发明名称
DRILLING TOOL
摘要
申请公布号
JPH04101709(A)
申请公布日期
1992.04.03
申请号
JP19900216176
申请日期
1990.08.16
申请人
MITSUBISHI MATERIALS CORP;MITSUBISHI HEAVY IND LTD
发明人
KOESASHI YUZO;TAKASAKI KAZUO;HASHIMOTO KOJI
分类号
B23B51/06
主分类号
B23B51/06
代理机构
代理人
主权项
地址
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