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COHD Copyright Office History Documents : Définition juridique
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This program was an index to recorded documents from 1978 to the present that transfer copyright ownership or that pertain to a copyright. COHD was a subsystem of COPICS.
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This program was an index to recorded documents from 1978 to the present that transfer copyright ownership or that pertain to a copyright. COHD was a subsystem of COPICS.
