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经营范围
发明名称
Photographic objective
摘要
申请公布号
GB723089(A)
申请公布日期
1955.02.02
申请号
GB19530000099
申请日期
1953.01.02
申请人
LUDWIG JACOB BERTELE
发明人
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
主权项
地址
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