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发明名称
HARD TOOL MATERIAL
摘要
申请公布号
JPS5663874(A)
申请公布日期
1981.05.30
申请号
JP19790139507
申请日期
1979.10.29
申请人
HITACHI METALS LTD;TOWA YAKIN KK
发明人
TANIFUJI HIDEO;HARA HISAO;TAKAHASHI TOSHINAO
分类号
C04B35/10;C04B35/56;C04B35/58;C04B35/583;C04B35/584
主分类号
C04B35/10
代理机构
代理人
主权项
地址
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