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 JP3442774UpriorityCriticalpatent/JPS50124967U/ja
Priority to GB40883/74Aprioritypatent/GB1479779A/en
Priority to DE19742445434prioritypatent/DE2445434A1/de
Priority to US05/508,846prioritypatent/US4083177A/en
Publication of JPS50124967UpublicationCriticalpatent/JPS50124967U/ja