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经营范围
发明名称
SIGNAL CURRENT CONTROL SYSTEM
摘要
申请公布号
JPS54110708(A)
申请公布日期
1979.08.30
申请号
JP19780017798
申请日期
1978.02.17
申请人
NIPPON ELECTRIC CO
发明人
ICHIMURA AKIRA
分类号
H04M3/02;H04M19/02
主分类号
H04M3/02
代理机构
代理人
主权项
地址
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