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MEISTREAM INTERNATIONAL OPTICAL LTD.
| MEISTREAM INTERNATIONAL OPTICAL LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100079733 | OPTICAL ENGINE AND WIDE ANGLE PROJECTION LENS MODULE THEREOF - A wide-angle projection lens module is provided, including a reflective convex aspheric mirror and a refractive lens group of positive refractive power. The following Conditions (1) to (2) are satisfied: | 04-01-2010 |