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发明名称
摘要
申请公布号
JPS4425247(Y1)
申请公布日期
1969.10.23
申请号
JP19640037720U
申请日期
1964.05.15
申请人
发明人
分类号
C02F3/00;A47K11/00;(IPC1-7):C02C1/02;C02C1/14
主分类号
C02F3/00
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代理人
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