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 JP2885974ApriorityCriticalpatent/JPS50121686A/ja
Priority to FR7424386Aprioritypatent/FR2237785B1/fr
Priority to US05/488,413prioritypatent/US3958834A/en
Priority to DE2434174Aprioritypatent/DE2434174A1/de
Priority to GB3140574Aprioritypatent/GB1443614A/en
Publication of JPS50121686ApublicationCriticalpatent/JPS50121686A/ja