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发明名称
KEYBOARD INPUT DEVICES
摘要
申请公布号
GB8320294(D0)
申请公布日期
1983.09.01
申请号
GB19830020294
申请日期
1983.07.27
申请人
PANORAMA OFFICE SYSTEMS LTD
发明人
分类号
H03M11/00;(IPC1-7):A61D3/00
主分类号
H03M11/00
代理机构
代理人
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