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发明名称
Range finder-view finder unit
摘要
申请公布号
US2554798(A)
申请公布日期
1951.05.29
申请号
US19480029744
申请日期
1948.05.28
申请人
THE KALART COMPANY INC.
发明人
SCHWARTZ MORRIS;CASTEDELLO WILLIAM
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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