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经营范围
发明名称
Aspherical corrector lens for optical systems
摘要
申请公布号
US2588414(A)
申请公布日期
1952.03.11
申请号
US19460696237
申请日期
1946.09.11
申请人
FARRAND OPTICAL CO., INC.
发明人
ROSIN SEYMOUR
分类号
G02B13/18
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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