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Priority to JP5001873ApriorityCriticalpatent/JPS501634A/ja
Priority to GB5778973Aprioritypatent/GB1445767A/en
Priority to US425839Aprioritypatent/US3887823A/en
Priority to NLAANVRAGE7317530,Aprioritypatent/NL183002C/xx
Priority to CA188,606Aprioritypatent/CA992163A/en
Priority to DE2363616Aprioritypatent/DE2363616C2/de
Priority to FR7346077Aprioritypatent/FR2211810B1/fr
Publication of JPS501634ApublicationCriticalpatent/JPS501634A/ja