Mustermesse Basel
mustermesse basel short muba fair city basel switzerland named mustermesse english sample fair concept first fair took place latest fair took place first fair demonstration industrial development switzerland opened april exhibitor spread square meter exceeded expectation hosting visitor site fire completely destroyed hall mustermesse even fire architectural competition held replace provisional hall two new hall built two year later number visitor increased rapidly year following fire visitor fair provided space various company show advertise product fair normally held spring fair visitor exhibit spread square meter admission free contributed high number visitor