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经营范围
发明名称
ELECTRONIC CIRCUIT FOR CLOSING AND OPEN T.V.
摘要
申请公布号
EG17487(A)
申请公布日期
1989.12.30
申请号
EG19840000312
申请日期
1984.05.16
申请人
ASHRAF TAWFIK MOHAMED RISK
发明人
分类号
H04N1/42;H04N1/44;(IPC1-7):H04N1/42
主分类号
H04N1/42
代理机构
代理人
主权项
地址
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