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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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Publication date
Priority claimed from CH281474Aexternal-prioritypatent/CH582785B5/xx
Priority claimed from CH373674Aexternal-prioritypatent/CH580658A5/xx
Application filedfiledCritical
Publication of JPS50121586ApublicationCriticalpatent/JPS50121586A/ja
