PROCESS FOR PRODUCING ALPHA-ALUMINA POWDER,申请号GB19900017726-传众专利搜索

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发明名称	PROCESS FOR PRODUCING ALPHA-ALUMINA POWDER
摘要
申请公布号	GB9017726(D0)	申请公布日期	1990.09.26
申请号	GB19900017726	申请日期	1990.08.13
申请人	MITSUBISHI METAL CORPORATION	发明人
分类号	C01F7/02;C09K3/14	主分类号	C01F7/02
代理机构		代理人
主权项
地址

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