IMPROVED DOOR SYSTEM

The present invention relates to an improved door system. According to the present invention, the improved door system comprises: a structure frame having a horizontal through-hole; a transparent plate installed in each through-hole to block the through-hole; a front finishing plate coupled to be at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KANG, DAE GYU
Format: Patent
Sprache:eng ; kor
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