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摘要
申请公布号
JPS5770498(U)
申请公布日期
1982.04.28
申请号
JP19800147016U
申请日期
1980.10.17
申请人
发明人
分类号
C02F3/06;C02F1/50;(IPC1-7):C02F3/06
主分类号
C02F3/06
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