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发明名称
摘要
申请公布号
JPH0474526(U)
申请公布日期
1992.06.30
申请号
JP19900116960U
申请日期
1990.11.06
申请人
发明人
分类号
B01D63/06;B01D65/02;C02F1/44;C02F3/12;(IPC1-7):B01D63/06
主分类号
B01D63/06
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