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 JP832473ApriorityCriticalpatent/JPS571244B2/ja
Priority to CA176,613Aprioritypatent/CA994097A/en
Priority to US384099Aprioritypatent/US3921313A/en
Priority to NL7310771Aprioritypatent/NL7310771A/xx
Priority to GB3857173Aprioritypatent/GB1423217A/en
Priority to FR7332725Aprioritypatent/FR2229189A5/fr
Publication of JPS4995747ApublicationCriticalpatent/JPS4995747A/ja
Publication of JPS571244B2publicationCriticalpatent/JPS571244B2/ja