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发明名称
摘要
申请公布号
JP2928621(B2)
申请公布日期
1999.08.03
申请号
JP19900300222
申请日期
1990.11.06
申请人
BABUKOTSUKU HITACHI KK
发明人
MURAKAMI EIJI;NISHIDA HIDEKAZU
分类号
B02C15/04;(IPC1-7):B02C15/04
主分类号
B02C15/04
代理机构
代理人
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