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发明名称
摘要
申请公布号
JPH01128839(U)
申请公布日期
1989.09.01
申请号
JP19880025534U
申请日期
1988.02.26
申请人
发明人
分类号
B02C18/36;(IPC1-7):B02C18/36
主分类号
B02C18/36
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代理人
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