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经营范围
发明名称
Ultra high frequency ring oscillator
摘要
申请公布号
US2497854(A)
申请公布日期
1950.02.21
申请号
US19430477103
申请日期
1943.02.25
申请人
BALLER MELVIN D
发明人
BALLER MELVIN D.
分类号
H04B1/04
主分类号
H04B1/04
代理机构
代理人
主权项
地址
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