Industrial innovation and patent and copyright law amendments : hearings before the Subcommittee on Courts, Civil Liberties, and the Administration of Justice of the Committee on the Judiciary, House of Representatives, Ninety sixth Congress, second session, on H.R. 6033, H.R. 6934, H.R. 3806, H.R. 2414 ... April 3, 15, 17, 22, 24, May 8, and June 9, 1980.

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