| 摘要 |
The present invention relates to a security door. The door comprises a first (3) and a second (4) sheet material. The sheet materials are arranged parallel to each other and at a distance apart, thus defining a door leaf with an inner space. A translucent part (7) is arranged between the first and the second sheet material. The translucent part covers a see-through opening (8, 9) arranged in the respective sheet material. A third sheet material (10) is arranged in the inner space and the translucent part is fastened in the door with the aid of the third sheet material. |
