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 JP6280876UpriorityCriticalpatent/JPS5544221Y2/ja
Priority to DE19772722173prioritypatent/DE2722173C2/de
Priority to GB2087777Aprioritypatent/GB1535028A/en
Publication of JPS52154265UpublicationCriticalpatent/JPS52154265U/ja
Priority to HK87979Aprioritypatent/HK87979A/xx
Application grantedgrantedCritical
Publication of JPS5544221Y2publicationCriticalpatent/JPS5544221Y2/ja