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发明名称
摘要
申请公布号
JPS58122352(U)
申请公布日期
1983.08.20
申请号
JP19820137544U
申请日期
1982.09.09
申请人
发明人
分类号
B02C19/00;B09B5/00;H01J9/50;(IPC1-7):H01J9/50
主分类号
B02C19/00
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