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Priority to JP12529680UpriorityCriticalpatent/JPS6112278Y2/ja
Publication of JPS5747546UpublicationCriticalpatent/JPS5747546U/ja
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Publication of JPS6112278Y2publicationCriticalpatent/JPS6112278Y2/ja
Warning-signal-producing system for a motor vehicle responsive to a vehicle-presence-indicating radio wave signal emitted by another vehicle and indicative of its presence