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ES174205A1
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A device for automatic operation of documentation classifiers
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ES154149A1
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Rotating file of continuous tape, of indefinite capacity and ded electric movement by hand
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ES151075A1
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A furniture for archive, swivel, electromechanical functioning, that allows the quick reference of recordings according to its classification number
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ES147735A1
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A rotating file cabinet with electric movement for quick search of files.
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CA466617A
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Movable cards for bookkeeping notes and filing drawers
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CA498201A
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Selective delivery filing cabinet
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