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发明名称
摘要
申请公布号
JPS5516859(U)
申请公布日期
1980.02.02
申请号
JP19780099583U
申请日期
1978.07.21
申请人
发明人
分类号
B04C5/28;B01D45/06;(IPC1-7):B04C5/28
主分类号
B04C5/28
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代理人
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