| 发明名称 |
Light polarizer |
| 摘要 |
|
| 申请公布号 |
US2346766(A) |
申请公布日期 |
1944.04.18 |
| 申请号 |
US19410412281 |
申请日期 |
1941.09.25 |
| 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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