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发明名称
Process for the manufacture of boron nitride
摘要
申请公布号
GB711254(A)
申请公布日期
1954.06.30
申请号
GB19520021268
申请日期
1952.08.25
申请人
NORTON GRINDING WHEEL COMPANY LIMITED
发明人
分类号
C01B21/064
主分类号
C01B21/064
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