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Priority to JP10074883UpriorityCriticalpatent/JPS609184U/ja
Publication of JPS609184UpublicationCriticalpatent/JPS609184U/ja
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Publication of JPS6345752Y2publicationCriticalpatent/JPS6345752Y2/ja
Automatic fan control (AFC) unit of low cost and durable construction and related progress for improving the efficiency of existing air conditioning systems