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经营范围
发明名称
Light polarizer
摘要
申请公布号
US2370084(A)
申请公布日期
1945.02.20
申请号
US19420465434
申请日期
1942.11.13
申请人
POLAROID CORPORATION
发明人
SMITH ROBERT A.
分类号
G02B5/30
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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