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发明名称
Method of forming designs in polarizing material
摘要
申请公布号
US2204604(A)
申请公布日期
1940.06.18
申请号
US19390276232
申请日期
1939.05.27
申请人
POLAROID CORPORATION
发明人
LAND EDWIN H.
分类号
G03C9/04;G03F7/00
主分类号
G03C9/04
代理机构
代理人
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