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申请公布号
JPH01174044(U)
申请公布日期
1989.12.11
申请号
JP19880069660U
申请日期
1988.05.26
申请人
发明人
分类号
B02C15/00;B02C23/26;(IPC1-7):B02C15/00
主分类号
B02C15/00
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