LED LED sign board automatic opening and closing system

Disclosed is an automatic LED signboard case opening and closing system to automatically open and close an LED signboard disposed on the front surface of a case body. According to the present invention, the automatic LED signboard case opening and closing system comprises: a case body installed on a...

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Bibliographische Detailangaben
Hauptverfasser:	AN SEUNG EUN, CHOI JAE YOUNG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ADVERTISING BLASTING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LABELS OR NAME-PLATES LIGHTING MECHANICAL ENGINEERING PHYSICS SEALS SIGNS THERMAL INSULATION IN GENERAL WEAPONS
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