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 JP47063663ApriorityCriticalpatent/JPS4922603A/ja
Priority to IT2043573Aprioritypatent/IT979143B/it
Priority to DE19732307818prioritypatent/DE2307818A1/de
Priority to FR7305637Aprioritypatent/FR2172737A5/fr
Publication of JPS4922603ApublicationCriticalpatent/JPS4922603A/ja