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Priority to JP3860574ApriorityCriticalpatent/JPS5427119B2/ja
Priority to US05/563,800prioritypatent/US3967881A/en
Priority to GB1350975Aprioritypatent/GB1470475A/en
Publication of JPS50131795ApublicationCriticalpatent/JPS50131795A/ja
Publication of JPS5427119B2publicationCriticalpatent/JPS5427119B2/ja