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Priority claimed from JP969170Aexternal-prioritypatent/JPS4910954B1/ja
Priority claimed from JP1053370Aexternal-prioritypatent/JPS4834600B1/ja
Priority claimed from JP5553070Aexternal-prioritypatent/JPS4831119B1/ja
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Publication of HU162329BpublicationCriticalpatent/HU162329B/hu