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 JP1974139551UpriorityCriticalpatent/JPS5427691Y2/ja
Priority to GB47422/75Aprioritypatent/GB1497951A/en
Priority to US05/633,419prioritypatent/US4060142A/en
Publication of JPS5165412UpublicationCriticalpatent/JPS5165412U/ja
Application grantedgrantedCritical
Publication of JPS5427691Y2publicationCriticalpatent/JPS5427691Y2/ja