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发明名称
POLYCRYSTAL DIAMOND TOOL FOR CUTTING
摘要
申请公布号
JPH02274405(A)
申请公布日期
1990.11.08
申请号
JP19890093224
申请日期
1989.04.14
申请人
SUMITOMO ELECTRIC IND LTD
发明人
NAKAI TETSUO;ASAI KEIZO
分类号
B23B27/20;B23B27/18
主分类号
B23B27/20
代理机构
代理人
主权项
地址
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