PRODUCTION OF HIGH-PURITY SILICA,申请号JP19900302863-传众专利搜索

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发明名称	PRODUCTION OF HIGH-PURITY SILICA
摘要
申请公布号	JPH04175218(A)	申请公布日期	1992.06.23
申请号	JP19900302863	申请日期	1990.11.08
申请人	NISSAN CHEM IND LTD	发明人	TSUGENO MAKOTO;TANIMOTO KENJI;KUBO MASAO
分类号	C01B33/18	主分类号	C01B33/18
代理机构		代理人
主权项
地址

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