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发明名称
摘要
申请公布号
JP3147229(B1)
申请公布日期
2001.03.19
申请号
JP19990372547
申请日期
1999.12.28
申请人
发明人
分类号
B02C21/00;B65F1/14;B65F5/00;(IPC1-7):B65F1/14
主分类号
B02C21/00
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