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Priority to JP2480074ApriorityCriticalpatent/JPS573707B2/ja
Priority to US05/554,098prioritypatent/US3989767A/en
Priority to GB8934/75Aprioritypatent/GB1492872A/en
Priority to DE19752509561prioritypatent/DE2509561C3/de
Publication of JPS50123736ApublicationCriticalpatent/JPS50123736A/ja
Publication of JPS573707B2publicationCriticalpatent/JPS573707B2/ja