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经营范围
发明名称
CHANNEL SELECTION DEVICE
摘要
申请公布号
JPS54161801(A)
申请公布日期
1979.12.21
申请号
JP19780070389
申请日期
1978.06.13
申请人
HITACHI LTD
发明人
AZEYANAGI TOMOMITSU;MASUDA MICHIO
分类号
H03J5/00;H03J5/02;H04B1/16;H04N5/44
主分类号
H03J5/00
代理机构
代理人
主权项
地址
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