| 摘要 |
An improved special purpose window for use in "drive-in" businesses such as restaurants, banks and the like is disclosed. The window is designed with a plurality of transaction areas thereby allowing easy access by the customer. In addition, the window reduces exterior air infiltration without interfering with the normal merchandise-money exchange between attendant and customer thereby significantly reducing the infiltration of carbon monoxide from the exterior of the building into the interior of the building.
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