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发明名称
Process of making boron nitride
摘要
申请公布号
US2812240(A)
申请公布日期
1957.11.05
申请号
US19550488920
申请日期
1955.02.17
申请人
UNITED INTERNATIONAL RESEARCH, INC.
发明人
GLOBUS ALFRED R.
分类号
C01B21/064
主分类号
C01B21/064
代理机构
代理人
主权项
地址
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