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发明名称
TELEVISION SYSTEM AND METHOD
摘要
申请公布号
CA423872(A)
申请公布日期
1944.11.21
申请号
CAD423872
申请日期
申请人
JOHN N. M. HOWELLS
发明人
JOHN N. M. HOWELLS
分类号
主分类号
代理机构
代理人
主权项
地址
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