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Priority to JP684074ApriorityCriticalpatent/JPS50103303A/ja
Priority to US05/523,861prioritypatent/US3963245A/en
Priority to GB52350/74Aprioritypatent/GB1488498A/en
Priority to DE2500423Aprioritypatent/DE2500423C3/de
Publication of JPS50103303ApublicationCriticalpatent/JPS50103303A/ja