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 JP4042374ApriorityCriticalpatent/JPS5346950B2/ja
Priority to US05/565,442prioritypatent/US3994146A/en
Priority to GB1440275Aprioritypatent/GB1478276A/en
Publication of JPS50135384ApublicationCriticalpatent/JPS50135384A/ja
Publication of JPS5346950B2publicationCriticalpatent/JPS5346950B2/ja
