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Priority to JP4417069ApriorityCriticalpatent/JPS497357B1/ja
Priority to US881906Aprioritypatent/US3701755A/en
Priority to GB59132/69Aprioritypatent/GB1282745A/en
Priority to DE1961005Aprioritypatent/DE1961005C3/de
Publication of JPS497357B1publicationCriticalpatent/JPS497357B1/ja