Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
Verfahren zum Ein- und Ausklappen einer als Ein- und Ausstiegshilfe dienenden Plattform und vorzugsweise zur Durchführung des Verfahrens dienende Vorrichtung