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A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 4652862 | Surveillance and control system for emergency exists installed in a building A building has at least one security guard post to control the secured building exits, each of which has an unlocking instrumentality, without forbidding their emergency use. When activating the unlocking instrument to open a secured exit, there is a tran... | 03/24/1987 |
