Projection light holder for exhibition hall

The utility model relates to the technical field of projector holders, in particular to a projection light holder for an exhibition hall, which comprises a supporting chassis, a supporting mechanism is mounted above the supporting chassis, a first rotating shaft is mounted on the outer wall of the s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JIAZHI, YU LISHAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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