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发明名称
Collimating system
摘要
申请公布号
US2405960(A)
申请公布日期
1946.08.20
申请号
US19430484004
申请日期
1943.04.22
申请人
POLAROID CORPORATION
发明人
LAND EDWIN H.
分类号
G02B27/00;G02B27/09;G02B27/30
主分类号
G02B27/00
代理机构
代理人
主权项
地址
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