Context

Context of Emerging telecommunications technologies : hearings before the Subcommittee on Telecommunications and Finance of the Committee on Energy and Commerce, House of Representatives, One Hundred First Congress, on H.R. 2965, a bill to require the Secretary of Commerce to make additional frequencies available for commercial assignment in order to promote the development and use of new telecommunications technologies, November 2, 1989, February 8, and April 30, 1990
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