HEXAGONAL BORON NITRIDE HAVING A REDUCED CONTENT OF WATER SOLUBLE BORON-CONTAINING IMPURITIES, AND PROCESS FOR ITS PRODUCTION,申请号EP19870400994-传众专利搜索

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发明名称	HEXAGONAL BORON NITRIDE HAVING A REDUCED CONTENT OF WATER SOLUBLE BORON-CONTAINING IMPURITIES, AND PROCESS FOR ITS PRODUCTION
摘要
申请公布号	EP0288645(B1)	申请公布日期	1993.02.03
申请号	EP19870400994	申请日期	1987.04.29
申请人	KAWASAKI STEEL CORPORATION	发明人	KOSHIDA, TAKAHISA C/O TECHNICAL RESEARCH DIVISION;UCHIMURA, RYOJI C/O TECHNICAL RESEARCH DIVISION;OGASAWARA, TAKESHI C/O TOKYO HEAD OFFICE
分类号	C01B21/064	主分类号	C01B21/064
代理机构		代理人
主权项
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