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发明名称
Combined range and view finder having parallax correcting means
摘要
申请公布号
US2302584(A)
申请公布日期
1942.11.17
申请号
US19400326200
申请日期
1940.03.27
申请人
THE FOLMER GRAFLEX CORPORATION
发明人
STEINER OSCAR
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
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