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发明名称
Range finder for photographic purposes
摘要
申请公布号
US1987765(A)
申请公布日期
1935.01.15
申请号
US19330664785
申请日期
1933.04.06
申请人
THE FIRM CARL ZEISS
发明人
WANDERSLEB ERNST
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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