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发明名称
摘要
申请公布号
JPS54132069(U)
申请公布日期
1979.09.13
申请号
JP19790021000U
申请日期
1979.02.22
申请人
发明人
分类号
B01D59/20;B04B7/08;(IPC1-7):B01D59/20
主分类号
B01D59/20
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