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发明名称
Improvements relating to submarine periscopes
摘要
申请公布号
GB606360(A)
申请公布日期
1948.08.12
申请号
GB19460000120
申请日期
1946.01.01
申请人
BARR & STROUD, LIMITED;JAMES WEIR FRENCH
发明人
分类号
G02B23/08
主分类号
G02B23/08
代理机构
代理人
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