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发明名称
Improvements in or relating to lenses
摘要
申请公布号
GB547691(A)
申请公布日期
1942.09.07
申请号
GB19410006551
申请日期
1941.05.21
申请人
EASTMAN KODAK COMPANY
发明人
分类号
G02B9/12
主分类号
G02B9/12
代理机构
代理人
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