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发明名称
摘要
申请公布号
JPS5927829(U)
申请公布日期
1984.02.21
申请号
JP19820011858U
申请日期
1982.01.30
申请人
发明人
分类号
B02B7/00;(IPC1-7):B02B7/00
主分类号
B02B7/00
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