PROCESS FOR PURIFYING QUARTZ SAND,申请号GB19740028366-传众专利搜索

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发明名称	PROCESS FOR PURIFYING QUARTZ SAND
摘要
申请公布号	GB1454577(A)	申请公布日期	1976.11.03
申请号	GB19740028366	申请日期	1974.06.26
申请人	AHLSTROM OSAKEYHTIO A	发明人
分类号	C03C1/02;(IPC1-7):C01B33/12	主分类号	C03C1/02
代理机构		代理人
主权项
地址

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