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 JP1328675UpriorityCriticalpatent/JPS5435031Y2/ja
Priority to US05/633,220prioritypatent/US3996929A/en
Priority to DE19752552924prioritypatent/DE2552924B2/de
Priority to GB49308/75Aprioritypatent/GB1535054A/en
Publication of JPS5194585UpublicationCriticalpatent/JPS5194585U/ja
Priority to HK584/79Aprioritypatent/HK58479A/xx
Application grantedgrantedCritical
Publication of JPS5435031Y2publicationCriticalpatent/JPS5435031Y2/ja