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发明名称
摘要
申请公布号
JPS6428907(U)
申请公布日期
1989.02.21
申请号
JP19870122765U
申请日期
1987.08.10
申请人
发明人
分类号
B01D21/18;(IPC1-7):B01D21/18
主分类号
B01D21/18
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代理人
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