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发明名称
摘要
申请公布号
JPH0520442(Y2)
申请公布日期
1993.05.27
申请号
JP19870028209U
申请日期
1987.02.26
申请人
发明人
分类号
B02C18/14;B02C18/00;B29C37/02;(IPC1-7):B02C18/14;B02C18/44
主分类号
B02C18/14
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