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 JP641870ApriorityCriticalpatent/JPS5539931B1/ja
Priority to DE19702048886prioritypatent/DE2048886B2/de
Priority to GB4754170Aprioritypatent/GB1331962A/en
Priority to CA094922Aprioritypatent/CA927935A/en
Priority to FR7036054Aprioritypatent/FR2064180B1/fr
Priority to NL7014709Aprioritypatent/NL7014709A/xx
Priority to US00272033Aprioritypatent/US3818366A/en
Publication of JPS5539931B1publicationCriticalpatent/JPS5539931B1/ja
