ART OF MAKING SILICA PARTICLES,申请号USD3489516-传众专利搜索

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发明名称	ART OF MAKING SILICA PARTICLES
摘要
申请公布号	US3489516(A)	申请公布日期	1970.01.13
申请号	USD3489516	申请日期	1966.10.19
申请人	OWENS ILLINOIS INC.	发明人	HERMAN F. KUMMERLE
分类号	B01J21/00;B01J21/08;C01B33/16;(IPC1-7):C01B33/18;B01J11/44	主分类号	B01J21/00
代理机构		代理人
主权项
地址

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