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Google圖書搜尋
Manual of Regulations and Procedures for Federal Radio Frequency Management
United States. Interdepartment Radio Advisory Committee
出版
Department of Commerce, National Telecommunications and Information Administration, Interdepartment Radio Advisory Committee
, 1979
URL
http://books.google.com.hk/books?id=ij8ab8h0jwwC&hl=&source=gbs_api
EBook
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