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发明名称
Improvements in and relating to boron carbide and method of making the same
摘要
申请公布号
GB415392(A)
申请公布日期
1934.08.20
申请号
GB19320032644
申请日期
1932.11.18
申请人
NORTON COMPANY
发明人
分类号
C01B31/36
主分类号
C01B31/36
代理机构
代理人
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