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发明名称
摘要
申请公布号
JPS5886300(U)
申请公布日期
1983.06.11
申请号
JP19810181531U
申请日期
1981.12.05
申请人
发明人
分类号
C02F3/20;C02F3/22;C02F7/00;(IPC1-7):C02F3/20
主分类号
C02F3/20
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代理人
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