| 摘要 |
The invention relates to a tubular, openable inspection part 1 for an air ventilation duct. In order to simplify the design and to improve the opening facility, the inspection part comprises two symmetrical half-shell casings 3, 4, which fit together to form a ducting part, and two connecting parts 5, 6, in which the half shell casings can be fixed and which are intended to be fixed in the air ventilation duct. <IMAGE> |
