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Priority to JP6515680UpriorityCriticalpatent/JPS6126823Y2/ja
Publication of JPS56164434UpublicationCriticalpatent/JPS56164434U/ja
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Publication of JPS6126823Y2publicationCriticalpatent/JPS6126823Y2/ja
A roof window system comprising a ventilation assembly with an exhaust device and method of operating a ventilation assembly of such a roof window system