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发明名称
摘要
申请公布号
JPS63122688(U)
申请公布日期
1988.08.09
申请号
JP19870012625U
申请日期
1987.01.30
申请人
发明人
分类号
C02F1/28;(IPC1-7):C02F1/28
主分类号
C02F1/28
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代理人
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