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发明名称
摘要
申请公布号
JPS63168040(U)
申请公布日期
1988.11.01
申请号
JP19870063154U
申请日期
1987.04.24
申请人
发明人
分类号
A23N17/00;B02C18/14;B02C18/22;(IPC1-7):B02C18/22
主分类号
A23N17/00
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代理人
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