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 JP595974ApriorityCriticalpatent/JPS50103292A/ja
Priority to US05/540,340prioritypatent/US3990092A/en
Publication of JPS50103292ApublicationCriticalpatent/JPS50103292A/ja