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发明名称
摘要
申请公布号
JPS601449(U)
申请公布日期
1985.01.08
申请号
JP19830093267U
申请日期
1983.06.20
申请人
发明人
分类号
B02C15/00;B02C15/04;(IPC1-7):B02C15/04
主分类号
B02C15/00
代理机构
代理人
主权项
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