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 JP4683374UpriorityCriticalpatent/JPS50136455U/ja
Priority to US05/557,013prioritypatent/US3948038A/en
Priority to GB10795/75Aprioritypatent/GB1501423A/en
Priority to CH505975Aprioritypatent/CH609829B/fr
Publication of JPS50136455UpublicationCriticalpatent/JPS50136455U/ja