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 JP13804972UpriorityCriticalpatent/JPS5221834Y2/ja
Priority to IT5290173Aprioritypatent/IT994366B/it
Priority to DE19732349921prioritypatent/DE2349921A1/de
Priority to US40397973prioritypatent/US3906828A/en
Priority to FR7335751Aprioritypatent/FR2202183B1/fr
Priority to CH1428473Aprioritypatent/CH575813A5/xx
Priority to ES419421Aprioritypatent/ES419421A1/es
Publication of JPS4989498UpublicationCriticalpatent/JPS4989498U/ja
Application grantedgrantedCritical
Publication of JPS5221834Y2publicationCriticalpatent/JPS5221834Y2/ja