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Priority to JP10707371UpriorityCriticalpatent/JPS4862874U/ja
Priority to CA155,973Aprioritypatent/CA971214A/en
Priority to GB5184372Aprioritypatent/GB1405153A/en
Priority to DE19722255165prioritypatent/DE2255165C3/de
Priority to FR7240052Aprioritypatent/FR2159505B1/fr
Publication of JPS4862874UpublicationCriticalpatent/JPS4862874U/ja