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发明名称
Light-beam-rectifying lens
摘要
申请公布号
US2653516(A)
申请公布日期
1953.09.29
申请号
US19490121845
申请日期
1949.10.17
申请人
JOHNSON GLEN A
发明人
JOHNSON GLEN A.
分类号
G02B3/08
主分类号
G02B3/08
代理机构
代理人
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