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发明名称
摘要
申请公布号
JPS583915(U)
申请公布日期
1983.01.11
申请号
JP19810097942U
申请日期
1981.06.30
申请人
发明人
分类号
C04B5/02;B01D33/06;(IPC1-7):B01D33/06
主分类号
C04B5/02
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