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Priority to JP65669ApriorityCriticalpatent/JPS525828B1/ja
Priority to GB1288816Dprioritypatent/GB1288816A/en
Priority to DE19691964665prioritypatent/DE1964665B2/de
Priority to FR6944939Aprioritypatent/FR2027212A1/fr
Priority to US00243893Aprioritypatent/US3808494A/en
Publication of JPS525828B1publicationCriticalpatent/JPS525828B1/ja