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 JP2875674ApriorityCriticalpatent/JPS5642499B2/ja
Priority to US05/557,241prioritypatent/US4009914A/en
Publication of JPS50121685ApublicationCriticalpatent/JPS50121685A/ja
Publication of JPS5642499B2publicationCriticalpatent/JPS5642499B2/ja