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发明名称
摘要
申请公布号
NL7007911(A)
申请公布日期
1970.12.04
申请号
NL19700007911
申请日期
1970.06.01
申请人
发明人
分类号
H03J7/02;H03J7/26;H03J7/30;H04N5/50;(IPC1-7):H03B3/08;H04N5/44
主分类号
H03J7/02
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代理人
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