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发明名称
Keypad for a portable communication unit wherein the keypad includes protrusions formed on a key sheet for supporting an upper case of the keyboard
摘要
申请公布号
GB2375505(A)
申请公布日期
2002.11.20
申请号
GB20020011051
申请日期
2002.05.14
申请人
* NEC CORPORATION
发明人
YOHSUKE * WATANABE
分类号
G06F3/02;H04M1/02;H04M1/23;(IPC1-7):H04M1/02;H01H13/70
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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