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经营范围
发明名称
Ultra short wave system
摘要
申请公布号
US2393284(A)
申请公布日期
1946.01.22
申请号
US19410391063
申请日期
1941.04.30
申请人
RADIO CORPORATION
发明人
BROWN CHARLES H.
分类号
H01J25/04
主分类号
H01J25/04
代理机构
代理人
主权项
地址
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