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发明名称
摘要
申请公布号
JPH0228795(U)
申请公布日期
1990.02.23
申请号
JP19880106228U
申请日期
1988.08.10
申请人
发明人
分类号
B01D63/02;C02F1/28;C02F1/44;(IPC1-7):C02F1/28
主分类号
B01D63/02
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