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 JP49044102ApriorityCriticalpatent/JPS50137536A/ja
Priority to GB15561/75Aprioritypatent/GB1508452A/en
Priority to US05/568,521prioritypatent/US4065776A/en
Priority to DE2517295Aprioritypatent/DE2517295C3/de
Publication of JPS50137536ApublicationCriticalpatent/JPS50137536A/ja