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发明名称
CHANNEL SELECTING APPARATUS
摘要
申请公布号
CA2019339(A1)
申请公布日期
1990.12.20
申请号
CA19902019339
申请日期
1990.06.20
申请人
TSUKAGOSHI, MASAHIKO
发明人
TSUKAGOSHI, MASAHIKO
分类号
H03J1/00;H03J5/02;H03J7/06;H03J7/18;H04N5/44
主分类号
H03J1/00
代理机构
代理人
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