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Priority to JP49039628ApriorityCriticalpatent/JPS50133837A/ja
Priority to GB12955/75Aprioritypatent/GB1492834A/en
Priority to US05/565,585prioritypatent/US4025399A/en
Priority to DE19752515165prioritypatent/DE2515165A1/de
Publication of JPS50133837ApublicationCriticalpatent/JPS50133837A/ja