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发明名称
Improvements in optical apparatus suitable for telescopic sighting devices
摘要
申请公布号
GB425383(A)
申请公布日期
1935.03.13
申请号
GB19330034481
申请日期
1933.12.07
申请人
JOHN WILLIAM HASSELKUS;OWEN GEORGE HAY
发明人
分类号
G02B23/14
主分类号
G02B23/14
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代理人
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