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 JP1975094420UpriorityCriticalpatent/JPS5550457Y2/ja
Priority to GB4703475Aprioritypatent/GB1523788A/en
Priority to DE19752552104prioritypatent/DE2552104A1/de
Publication of JPS528216UpublicationCriticalpatent/JPS528216U/ja
Application grantedgrantedCritical
Publication of JPS5550457Y2publicationCriticalpatent/JPS5550457Y2/ja
