• • A window, in particular for etablissements such as restaurants and / or the system remains in the car in order to control and receive the food, or to the operations or other

摘要

Ed ris tho p & this warning possesses an upper chamber 44 and a lower chamber 46. In which the package is mounted to rotate the rotor 86 which allows the exchange of the objects and of the silver at various levels along the height at which the customer - conductor with respect to the • •. The upper chamber form a system of priming to expel from the chamber a window in the outer air contaminates (an internal-combustion engine of the cars) and preventing its penetration in the sleeve, or is the agent. The upper chamber 44 contains for this purpose, in particular, a plate - horizontal piston 66 connected to a transparent vertical plate 64, which descends in the lower chamber 46. / p