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发明名称
Vorrichtung zur gleichzeitigen Fokussierung von in verschiedenen Abständen vom Auge gelegenen Gegenständen.
摘要
申请公布号
CH257305(A)
申请公布日期
1948.09.30
申请号
CHD257305
申请日期
1946.07.08
申请人
SVENSKA ACKUMULATOR AKTIEBOLAGET JUNGNER
发明人
JUNGNER SVENSKA ACKUMULATOR AKTIEBOLAGET
分类号
G02B3/00
主分类号
G02B3/00
代理机构
代理人
主权项
地址
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