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发明名称
摘要
申请公布号
JPS56144611(U)
申请公布日期
1981.10.31
申请号
JP19800043798U
申请日期
1980.03.31
申请人
发明人
分类号
B02C13/28;B02C13/06;B27L11/00;(IPC1-7):B27L11/00
主分类号
B02C13/28
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代理人
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