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发明名称
摘要
申请公布号
JPH0661478(B2)
申请公布日期
1994.08.17
申请号
JP19890068860
申请日期
1989.03.20
申请人
发明人
分类号
B02C13/22;B02C13/288;(IPC1-7):B02C13/22
主分类号
B02C13/22
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代理人
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