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发明名称
Perfectionnements aux instruments d'observation binoculaire
摘要
申请公布号
FR927221(A)
申请公布日期
1947.10.23
申请号
FRD927221
申请日期
1946.05.22
申请人
BARR & STROUD LIMITED
发明人
分类号
G02B7/12
主分类号
G02B7/12
代理机构
代理人
主权项
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