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发明名称
摘要
申请公布号
JPS5644810(U)
申请公布日期
1981.04.22
申请号
JP19790126497U
申请日期
1979.09.12
申请人
发明人
分类号
B01D21/22;F16H7/08;F16H7/14;(IPC1-7):B01D21/22
主分类号
B01D21/22
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代理人
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