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经营范围
发明名称
Binocular observation instrument
摘要
申请公布号
US2387838(A)
申请公布日期
1945.10.30
申请号
US19410375999
申请日期
1941.01.25
申请人
BARR AND STROUD, LIMITED
发明人
FRENCH JAMES WEIR
分类号
G02B23/18
主分类号
G02B23/18
代理机构
代理人
主权项
地址
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