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发明名称
摘要
申请公布号
JPH01179737(U)
申请公布日期
1989.12.25
申请号
JP19880072757U
申请日期
1988.06.02
申请人
发明人
分类号
B02C7/08;B02C7/11;(IPC1-7):B02C7/08
主分类号
B02C7/08
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代理人
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