Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Priority to JP13312570UpriorityCriticalpatent/JPS5028264Y1/ja
Priority to FR7146825Aprioritypatent/FR2120928A5/fr
Priority to DE19712164771prioritypatent/DE2164771C3/de
Priority to GB6055071Aprioritypatent/GB1321393A/en
Publication of JPS5028264Y1publicationCriticalpatent/JPS5028264Y1/ja