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发明名称
Single eyepiece binocular
摘要
申请公布号
US2537962(A)
申请公布日期
1951.01.16
申请号
US19470771957
申请日期
1947.09.03
申请人
BROWN LEO H
发明人
BROWN LEO H.
分类号
G02B23/00
主分类号
G02B23/00
代理机构
代理人
主权项
地址
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