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发明名称
PORTABLE TELEPHONE SET COMPRISING INPUT KEYS AND A SHIFT KEY ON DIFFERENT SURFACES
摘要
申请公布号
CA2048033(A1)
申请公布日期
1992.01.31
申请号
CA19912048033
申请日期
1991.07.29
申请人
NEC CORPORATION
发明人
TAMURA, YOSHIHARU
分类号
H04M1/00;H04M1/02;H04M1/23;H04M1/27;H04M1/274;H04M1/2745;H04M1/56;H04M1/725;H04Q7/32;(IPC1-7):H04M1/26
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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