SPHERICAL FINE PARTICLE OF SILICA AND PRODUCTION THEREOF,申请号JP19890007414-传众专利搜索

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发明名称	SPHERICAL FINE PARTICLE OF SILICA AND PRODUCTION THEREOF
摘要
申请公布号	JPH02188421(A)	申请公布日期	1990.07.24
申请号	JP19890007414	申请日期	1989.01.13
申请人	SHIN ETSU CHEM CO LTD	发明人	SHIMIZU TAKAAKI;OCHIKA TOSHIHIRO;SAWADA KATSUYA
分类号	C01B33/16;C01B33/18	主分类号	C01B33/16
代理机构		代理人
主权项
地址

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