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发明名称
Improved optical projection apparatus
摘要
申请公布号
GB602742(A)
申请公布日期
1948.06.02
申请号
GB19450012287
申请日期
1945.05.16
申请人
SOCIETE GENERALE D'OPTIQUEI¬SOCIETE ANONYME DES ANCIENS ETABLISSEMENTS HUET ET CIE ET JUMELLES FLAMMARION
发明人
分类号
G03B21/11
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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