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发明名称
Block type albada viewfinder with indicator viewing mirror and lens carried by frontelement
摘要
申请公布号
US3192826(A)
申请公布日期
1965.07.06
申请号
US19610145599
申请日期
1961.10.17
申请人
VOIGTLANDER A.G.
发明人
PAPKE FRIEDRICH
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
主权项
地址
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