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发明名称
摘要
申请公布号
JPS57111389(U)
申请公布日期
1982.07.09
申请号
JP19800187707U
申请日期
1980.12.29
申请人
发明人
分类号
C02F1/28;C02F1/50;C02F1/66;C02F1/68;(IPC1-7):C02F1/50
主分类号
C02F1/28
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