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发明名称
摘要
申请公布号
JPS59184940(U)
申请公布日期
1984.12.08
申请号
JP19830077843U
申请日期
1983.05.23
申请人
发明人
分类号
B02B7/02;(IPC1-7):B02B7/02
主分类号
B02B7/02
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