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发明名称
Automatic resonance adjusting means
摘要
申请公布号
US2237514(A)
申请公布日期
1941.04.08
申请号
US19350029244
申请日期
1935.07.01
申请人
VICTOR S. JOHNSON
发明人
WHITE SIDNEY YOUNG
分类号
H03J7/04
主分类号
H03J7/04
代理机构
代理人
主权项
地址
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