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发明名称
摘要
申请公布号
JPS6115933(Y2)
申请公布日期
1986.05.17
申请号
JP19810187957U
申请日期
1981.12.18
申请人
发明人
分类号
B01D53/18;B01D53/34;B01D53/50;B01D53/77;C01F11/46;(IPC1-7):B01D53/34
主分类号
B01D53/18
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代理人
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