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发明名称
摘要
申请公布号
JPH04113600(U)
申请公布日期
1992.10.05
申请号
JP19910017505U
申请日期
1991.03.22
申请人
发明人
分类号
C02F1/02;C12M1/00;F04B23/02;(IPC1-7):C12M1/00
主分类号
C02F1/02
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代理人
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