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发明名称
Radio construction
摘要
申请公布号
US2237886(A)
申请公布日期
1941.04.08
申请号
US19390283544
申请日期
1939.07.10
申请人
ZENITH RADIO CORPORATION
发明人
JR. EUGENE F. MCDONALD,;GUSTAFSON GILBERT E.
分类号
H04B1/08
主分类号
H04B1/08
代理机构
代理人
主权项
地址
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