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Priority to JP1982077525UpriorityCriticalpatent/JPS58178861U/ja
Publication of JPS58178861UpublicationCriticalpatent/JPS58178861U/ja
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Publication of JPS6230932Y2publicationCriticalpatent/JPS6230932Y2/ja
Ultrasonic detector, methods for searching a moving object, ultrasonic sensor unit, element for positioning an animal, terminal apparatus for an automatic milking system, and method for automatically milking an animal