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 JP13020572ApriorityCriticalpatent/JPS5220215B2/ja
Priority to GB4873873Aprioritypatent/GB1439216A/en
Priority to CA183,980Aprioritypatent/CA994849A/en
Priority to US05/409,289prioritypatent/US3972052A/en
Priority to DE2353340Aprioritypatent/DE2353340C3/de
Priority to CH1499073Aprioritypatent/CH576351A5/xx
Priority to FR7337875Aprioritypatent/FR2204149A5/fr
Publication of JPS4990455ApublicationCriticalpatent/JPS4990455A/ja
Publication of JPS5220215B2publicationCriticalpatent/JPS5220215B2/ja