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经营范围
发明名称
Tunable resonance chamber
摘要
申请公布号
US2573148(A)
申请公布日期
1951.10.30
申请号
US19450586307
申请日期
1945.04.03
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KANNENBERG WALTER F.
分类号
H01P7/06
主分类号
H01P7/06
代理机构
代理人
主权项
地址
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