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经营范围
发明名称
CIRCUITO DE COMUTACAO
摘要
申请公布号
BR7307350(D0)
申请公布日期
1974.08.29
申请号
BR19730007350
申请日期
1973.09.21
申请人
SONY CORP
发明人
TAKASHI OKADA;ISA NAKAMURA
分类号
H04B1/10;H03F3/72;H03K17/60;H03K17/62;H04N9/71;(IPC1-7):H01J29/80;H04N9/00
主分类号
H04B1/10
代理机构
代理人
主权项
地址
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