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 of CH559928B5publicationCriticalpatent/CH559928B5/xx
Application filed by Boitec Sa Boites Ind Et TechfiledCriticalBoitec Sa Boites Ind Et Tech
Priority to CH1491370DpriorityCriticalpatent/CH1491370A4/xx
Priority to CH1491370Aprioritypatent/CH559928A/fr
Publication of CH559928ApublicationCriticalpatent/CH559928A/fr