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经营范围
发明名称
CALLING SIGNAL SENDING-OUT CIRCUIT
摘要
申请公布号
JPH0918577(A)
申请公布日期
1997.01.17
申请号
JP19950161713
申请日期
1995.06.28
申请人
NEC ENG LTD
发明人
SUDO MINORU
分类号
H04M3/02;(IPC1-7):H04M3/02
主分类号
H04M3/02
代理机构
代理人
主权项
地址
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