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发明名称
Light modulating device
摘要
申请公布号
US2153490(A)
申请公布日期
1939.04.04
申请号
US19380241234
申请日期
1938.11.18
申请人
GUSTAV WIKKENHAUSER;JOSHUA SIEGER
发明人
WIKKENHAUSER GUSTAV;SIEGER JOSHUA
分类号
H04B10/04
主分类号
H04B10/04
代理机构
代理人
主权项
地址
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