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发明名称
KEYBOARD SUPPORT APPARATUS
摘要
申请公布号
EP0321494(A4)
申请公布日期
1990.10.24
申请号
EP19870905924
申请日期
1987.08.27
申请人
COTTERILL, MICHAEL JOHN
发明人
COTTERILL, MICHAEL JOHN
分类号
A47B21/03;(IPC1-7):A47B21/03
主分类号
A47B21/03
代理机构
代理人
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地址
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