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发明名称
摘要
申请公布号
JPS583937(U)
申请公布日期
1983.01.11
申请号
JP19810092957U
申请日期
1981.06.25
申请人
发明人
分类号
C02F1/42;B01J47/02;(IPC1-7):B01J47/02
主分类号
C02F1/42
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代理人
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