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发明名称
Wide-angle objective
摘要
申请公布号
GB739215(A)
申请公布日期
1955.10.26
申请号
GB19530024470
申请日期
1953.09.04
申请人
LUDWIG BERTELE
发明人
分类号
G02B13/04
主分类号
G02B13/04
代理机构
代理人
主权项
地址
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