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Application filed by 株式会社日本アルミfiledCritical株式会社日本アルミ
Priority to JP1989053865UpriorityCriticalpatent/JP2505899Y2/ja
Publication of JPH02144728UpublicationCriticalpatent/JPH02144728U/ja
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Publication of JP2505899Y2publicationCriticalpatent/JP2505899Y2/ja
Method, typically computer controlled, for controlling rate of flow through a hopper by comparing actual weight of hopper and material with predetermined weight to raise or lower discharge valve