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发明名称
SISTEMA MODULATORE
摘要
申请公布号
IT993085(B)
申请公布日期
1975.09.30
申请号
IT19730028326
申请日期
1973.08.29
申请人
RCA CORP
发明人
分类号
H04N5/922;G11B31/00;H04L7/00;H04N5/40;H04N5/775
主分类号
H04N5/922
代理机构
代理人
主权项
地址
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