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经营范围
发明名称
Magnetostrictive light valve
摘要
申请公布号
US1951018(A)
申请公布日期
1934.03.13
申请号
US19300492738
申请日期
1930.11.01
申请人
WIRED RADIO, INC.
发明人
HERDMAN WILLIAM J.
分类号
H04N5/66
主分类号
H04N5/66
代理机构
代理人
主权项
地址
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