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Priority to JP1971081430UpriorityCriticalpatent/JPS4836729U/ja
Priority to US25826972prioritypatent/US3806739A/en
Priority to GB2553572Aprioritypatent/GB1398612A/en
Priority to DE19722226585prioritypatent/DE2226585C3/de
Priority to CA143,638Aprioritypatent/CA988579A/en
Publication of JPS4836729UpublicationCriticalpatent/JPS4836729U/ja