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发明名称
摘要
申请公布号
JPH031104(Y2)
申请公布日期
1991.01.14
申请号
JP19860131746U
申请日期
1986.08.28
申请人
发明人
分类号
C02F1/00;(IPC1-7):C02F1/00
主分类号
C02F1/00
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代理人
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地址
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