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发明名称
摘要
申请公布号
JPS59146047(U)
申请公布日期
1984.09.29
申请号
JP19830039898U
申请日期
1983.03.22
申请人
发明人
分类号
B02C13/16;(IPC1-7):B02C13/16
主分类号
B02C13/16
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