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发明名称
REMAINING CALLING TIME DISPLAY METHOD FOR MAGNETIC CARD TYPE PUBLIC TELEPHONE SET
摘要
申请公布号
JPH04101551(A)
申请公布日期
1992.04.03
申请号
JP19900219423
申请日期
1990.08.21
申请人
NEC CORP
发明人
MURATA TOSHIO
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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