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发明名称
摘要
申请公布号
JP3234375(B2)
申请公布日期
2001.12.04
申请号
JP19930304850
申请日期
1993.11.10
申请人
发明人
分类号
B02C18/06;B28B7/34;E04G19/00;(IPC1-7):B02C18/06
主分类号
B02C18/06
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