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发明名称
Vierlinsiges photographisches Objektiv grosser relativer Öffnung, bestehend aus drei durch Lufträume getrennten Gliedern.
摘要
申请公布号
CH285192(A)
申请公布日期
1952.08.31
申请号
CHD285192
申请日期
1949.04.30
申请人
VOIGTLAENDER AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT VOIGTLAENDER
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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