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发明名称
摘要
申请公布号
JPH0398923(U)
申请公布日期
1991.10.15
申请号
JP19900007223U
申请日期
1990.01.29
申请人
发明人
分类号
B01D46/10;(IPC1-7):B01D46/10
主分类号
B01D46/10
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代理人
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