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发明名称
Device for exchangeable objectives of photographic cameras
摘要
申请公布号
US2660527(A)
申请公布日期
1953.11.24
申请号
US19530330611
申请日期
1953.01.12
申请人
VOIGTLANDER, A. G.
发明人
NAUMANN HELMUT
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
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