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经营范围
发明名称
SIGNAL CONVERSION SYSTEM
摘要
申请公布号
GB1471419(A)
申请公布日期
1977.04.27
申请号
GB19740015868
申请日期
1974.04.10
申请人
KOKUSAI DENSHIN DENWA KK
发明人
分类号
H04N1/415;(IPC1-7):H04N1/00
主分类号
H04N1/415
代理机构
代理人
主权项
地址
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