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发明名称
摘要
申请公布号
JPS567315(Y2)
申请公布日期
1981.02.18
申请号
JP19760155389U
申请日期
1976.11.17
申请人
发明人
分类号
B02C2/10;B02C7/08;B02C18/06;B02C18/12;(IPC1-7):B02C2/10
主分类号
B02C2/10
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代理人
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