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.)
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Priority to JP4068072ApriorityCriticalpatent/JPS5017608B2/ja
Priority to IT7010872Aprioritypatent/IT975150B/it
Priority to DE19722248395prioritypatent/DE2248395A1/de
Priority to CH1444272Aprioritypatent/CH544209A/de
Priority to GB4603872Aprioritypatent/GB1356907A/en
Priority to FR7235362Aprioritypatent/FR2155606A5/fr
Publication of JPS491943ApublicationCriticalpatent/JPS491943A/ja
Publication of JPS5017608B2publicationCriticalpatent/JPS5017608B2/ja
