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发明名称
SWITCHING DEVICE FOR TELEVISION APPARATUS
摘要
申请公布号
CA501271(A)
申请公布日期
1954.04.06
申请号
CAD501271
申请日期
申请人
ELECTRIC AND MUSICAL INDUSTRIES LIMITED
发明人
ERIC LAWRENCE;FRANK RUNCORN TROTT
分类号
主分类号
代理机构
代理人
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