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.)
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Priority to JP8025470ApriorityCriticalpatent/JPS4921244B1/ja
Priority to GB5463670Aprioritypatent/GB1326274A/en
Priority to NO442570Aprioritypatent/NO133414C/no
Priority to FR7041380Aprioritypatent/FR2069615A5/fr
Priority to SE15592/70Aprioritypatent/SE362913B/xx
Priority to CA098474Aprioritypatent/CA921210A/en
Priority to DE19702056923prioritypatent/DE2056923A1/de
Publication of JPS4921244B1publicationCriticalpatent/JPS4921244B1/ja