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经营范围
发明名称
Image projection lens and mirror system with spherical aberration correction means
摘要
申请公布号
US2477331(A)
申请公布日期
1949.07.26
申请号
US19440556027
申请日期
1944.09.27
申请人
RADIO CORPORATION OF AMERICA
发明人
EPSTEIN DAVID W.
分类号
G02B17/08
主分类号
G02B17/08
代理机构
代理人
主权项
地址
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