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发明名称
Process for the manufacture of hard materials rich in boron
摘要
申请公布号
GB1070324(A)
申请公布日期
1967.06.01
申请号
GB19640018465
申请日期
1964.05.04
申请人
ELECTROSCHMELZWERK KEMPTEN G.M.B.H.
发明人
分类号
C01B35/04;C04B35/563
主分类号
C01B35/04
代理机构
代理人
主权项
地址
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