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发明名称
Improvements in and relating to means of adjusting photographic objectives
摘要
申请公布号
GB444533(A)
申请公布日期
1936.03.23
申请号
GB19350020975
申请日期
1935.07.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
G03B17/02
主分类号
G03B17/02
代理机构
代理人
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