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Priority to JP1985103488UpriorityCriticalpatent/JPH0515890Y2/ja
Publication of JPS6210847UpublicationCriticalpatent/JPS6210847U/ja
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Publication of JPH0515890Y2publicationCriticalpatent/JPH0515890Y2/ja
Vorrichtung und verfahren zum nachweis von ressourcennutzung in einem spender, spender und system und verfahren zur überwachung von ressourcennutzung in mindestens einem spender