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发明名称
摘要
申请公布号
JPS55167434(U)
申请公布日期
1980.12.02
申请号
JP19790067687U
申请日期
1979.05.19
申请人
发明人
分类号
B02B3/04;B02B7/00;(IPC1-7):B02B3/04
主分类号
B02B3/04
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