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发明名称
摘要
申请公布号
JPS6144242(U)
申请公布日期
1986.03.24
申请号
JP19840127289U
申请日期
1984.08.22
申请人
发明人
分类号
B02C18/30;(IPC1-7):B02C18/30
主分类号
B02C18/30
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