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发明名称
摘要
申请公布号
JPS56172398(U)
申请公布日期
1981.12.19
申请号
JP19810034289U
申请日期
1981.03.13
申请人
发明人
分类号
C02F3/28;B09B3/00;C05F7/00;(IPC1-7):C02F3/28
主分类号
C02F3/28
代理机构
代理人
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