Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Waldemar Oelsner & Co FafiledCriticalWaldemar Oelsner & Co Fa
Application grantedgrantedCritical
Publication of DK51490CpublicationCriticalpatent/DK51490C/da
Construction perfectionnée pour studios de radiophonie, salles de concert, studios d'enregistrement de films sonores, cinémas, salles de conférences et autres salles analogues