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发明名称
DART SHARPENER
摘要
申请公布号
GB2136334(B)
申请公布日期
1986.04.30
申请号
GB19840006265
申请日期
1984.03.09
申请人
CHRISTOPHER WILLIAM * EVANS
发明人
CHRISTOPHER WILLIAM * EVANS;WILLIAM THOMAS * EVANS
分类号
B24B19/16;(IPC1-7):B24B19/16
主分类号
B24B19/16
代理机构
代理人
主权项
地址
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