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

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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