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经营范围
发明名称
Mechanism for automatically adjusting the diaphragm of a photographic objective
摘要
申请公布号
US2805610(A)
申请公布日期
1957.09.10
申请号
US19540422591
申请日期
1954.04.12
申请人
ISCO OPTISCHE WERKE G. M. B. H.
发明人
HAUPT RUDOLF FRIEDRICH
分类号
G03B9/07
主分类号
G03B9/07
代理机构
代理人
主权项
地址
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