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发明名称
Lens for optical purposes
摘要
申请公布号
US2417330(A)
申请公布日期
1947.03.11
申请号
US19420429100
申请日期
1942.01.31
申请人
BARR & STROUD, LIMITED
发明人
STRANG JOHN MARTIN
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
主权项
地址
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