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发明名称
摘要
申请公布号
JPH067888(U)
申请公布日期
1994.02.01
申请号
JP19920049881U
申请日期
1992.06.23
申请人
发明人
分类号
C02F1/12;(IPC1-7):C02F1/12
主分类号
C02F1/12
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代理人
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地址
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