Self-adaptive advertisement projection demonstration device

A self-adaptive advertisement projection demonstration device comprises a base, a first connecting piece, a second connecting piece and a storage box. The first connecting piece is vertically arrangedon the base; the second connecting piece is vertically arranged and connected with the first connect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZHENG RENZHEN
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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Beschreibung
Zusammenfassung:	A self-adaptive advertisement projection demonstration device comprises a base, a first connecting piece, a second connecting piece and a storage box. The first connecting piece is vertically arrangedon the base; the second connecting piece is vertically arranged and connected with the first connecting piece in an inserted mode. The locking piece is in threaded connection with the first connecting piece and the second connecting piece; the storage box is arranged on the second connecting piece; the guide rod is vertically arranged in the storage box; the limiting plate is located in the storage box and is in sliding connection with the guide rod; the fixing piece is vertically arranged on the limiting plate and is connected with the connecting plate; the self-adaptive projector is arranged on the connecting plate; grooves are formed in the two sides of the storage box; the connecting rods are horizontally arranged on the two sides of the storage box, one ends are connected with the limiting pieces, and the ot