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发明名称
摘要
申请公布号
JPS57184707(U)
申请公布日期
1982.11.24
申请号
JP19810072638U
申请日期
1981.05.20
申请人
发明人
分类号
B01D19/00;(IPC1-7):B01D19/00
主分类号
B01D19/00
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代理人
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