BYPASS DOOR
A sliding glass door style whereby the door panels pass around each other on separate tracks.

slide bypass door
http://www.nuair.com/Info/Glossary.html - słownik okien i drzwi

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Note added at 8 mins (2004-05-17 09:01:27 GMT)
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z innej branży, ale nie wiem, jak to po polsku nazwać - warto zapamiętać :-)

Pass Door
Sometimes called wicket door or access door. It is a small swing door built into the larger upward acting door so that people can walk in and out through the pass door without opening the large door. Cannot be used as a legal exit. (Commercial door application)
http://www.aaaremotes.com/garagedoorglossary.html