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 JP5173874UpriorityCriticalpatent/JPS5341680Y2/ja
Priority to US05/570,079prioritypatent/US4050638A/en
Priority to FR7512690Aprioritypatent/FR2269177B1/fr
Priority to DE2518072Aprioritypatent/DE2518072C3/de
Publication of JPS50139900UpublicationCriticalpatent/JPS50139900U/ja
Application grantedgrantedCritical
Publication of JPS5341680Y2publicationCriticalpatent/JPS5341680Y2/ja