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经营范围
发明名称
DIAL PULSE COUNTING SYSTEM
摘要
申请公布号
JPH02220591(A)
申请公布日期
1990.09.03
申请号
JP19890042462
申请日期
1989.02.21
申请人
NEC CORP;KOKUSAI DENSHIN DENWA CO LTD <KDD>
发明人
FUKUI AKIRA;KOSHIDA SHIZUO
分类号
H04Q1/30;H04M11/00;H04Q1/32
主分类号
H04Q1/30
代理机构
代理人
主权项
地址
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