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经营范围
发明名称
Light polarizer and process of manufacture
摘要
申请公布号
US2328219(A)
申请公布日期
1943.08.31
申请号
US19430471753
申请日期
1943.01.08
申请人
POLAROID CORPORATION
发明人
LAND EDWIN H.
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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