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 Jan RuusfiledCriticalJan Ruus
Priority to SE9301806ApriorityCriticalpatent/SE513850C2/sv
Publication of SE9301806D0publicationCriticalpatent/SE9301806D0/sv
Publication of SE9301806LpublicationCriticalpatent/SE9301806L/sv
Publication of SE513850C2publicationCriticalpatent/SE513850C2/sv
Perfeccionamientos introducidos en el objeto de la patente principal n-p9200518 por: "aparato de alarma acustica y limitador de nivel de sonido".