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发明名称
Perfectionnements aux matériaux polarisant la lumière et à leur procédé de fabrication
摘要
申请公布号
FR920227(A)
申请公布日期
1947.04.01
申请号
FRD920227
申请日期
1946.01.15
申请人
INTERNATIONAL POLAROID CORPORATION
发明人
分类号
G02B5/30
主分类号
G02B5/30
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代理人
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