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Priority to JP28198084ApriorityCriticalpatent/JPS61158366A/ja
Publication of JPS61158366ApublicationCriticalpatent/JPS61158366A/ja
Publication of JPH0374439B2publicationCriticalpatent/JPH0374439B2/ja
Werkwijze en inrichting voor het vaststellen van de aanwezigheid van objecten in een bepaald controle- gebied, in het bijzonder voor het verhinderen van winkeldiefstallen.