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 JP49056276ApriorityCriticalpatent/JPS50147936A/ja
Priority to US05/575,002prioritypatent/US4047194A/en
Priority to DE2520449Aprioritypatent/DE2520449B2/de
Priority to DE2560172Aprioritypatent/DE2560172C2/de
Publication of JPS50147936ApublicationCriticalpatent/JPS50147936A/ja