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发明名称
Improvements relating to optical objectives
摘要
申请公布号
GB612757(A)
申请公布日期
1948.11.17
申请号
GB19460016650
申请日期
1946.05.31
申请人
THE PULLIN OPTICAL COMPANY LIMITED;HORACE WILLIAM LEE
发明人
分类号
G02B13/00
主分类号
G02B13/00
代理机构
代理人
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地址
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