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Priority to JP47001411ApriorityCriticalpatent/JPS4869226A/ja
Priority to US316719Aprioritypatent/US3860260A/en
Priority to GB5956972Aprioritypatent/GB1420939A/en
Publication of JPS4869226ApublicationCriticalpatent/JPS4869226A/ja
Priority to US05/516,873prioritypatent/US3949825A/en