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摘要
申请公布号
US2183523(A)
申请公布日期
1939.12.19
申请号
US19370167991
申请日期
1937.10.08
申请人
EASTMAN KODAK COMPANY
发明人
WOOD DONALD L.
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
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