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经营范围
发明名称
PURIFICATION OF FILTER IN WASHING PROCESS
摘要
申请公布号
JPH0731810(A)
申请公布日期
1995.02.03
申请号
JP19930202578
申请日期
1993.07.23
申请人
SONY CORP
发明人
IWAMOTO ISATO
分类号
B01D15/00;B01D29/62;H01L21/304;(IPC1-7):B01D29/62
主分类号
B01D15/00
代理机构
代理人
主权项
地址
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