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发明名称
摘要
申请公布号
JPS54160877(U)
申请公布日期
1979.11.10
申请号
JP19780058703U
申请日期
1978.04.28
申请人
发明人
分类号
C02F11/20;(IPC1-7):C02C3/00
主分类号
C02F11/20
代理机构
代理人
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地址
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