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经营范围
发明名称
IMPULSE GENERATOR
摘要
申请公布号
CA438759(A)
申请公布日期
1946.12.24
申请号
CAD438759
申请日期
申请人
FARNSWORTH TELEVISION AND RADIO CORPORATION
发明人
CLYDE E. HALLMARK
分类号
主分类号
代理机构
代理人
主权项
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