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Priority to JP45030179ApriorityCriticalpatent/JPS5012285B1/ja
Priority to US00075231Aprioritypatent/US3756609A/en
Priority to DE2047386Aprioritypatent/DE2047386C3/de
Priority to GB2826973Aprioritypatent/GB1332630A/en
Publication of JPS5012285B1publicationCriticalpatent/JPS5012285B1/ja