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 JP1976086265UpriorityCriticalpatent/JPS5653345Y2/ja
Priority to GB26646/77Aprioritypatent/GB1573977A/en
Priority to US05/810,782prioritypatent/US4137703A/en
Publication of JPS534959UpublicationCriticalpatent/JPS534959U/ja
Application grantedgrantedCritical
Publication of JPS5653345Y2publicationCriticalpatent/JPS5653345Y2/ja