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Google圖書搜尋
Understanding Amateur Radio
American Radio Relay League Inc., Staff
出版
American Radio Relay League, Incorporated
, 1963
主題
Technology & Engineering / Radio
ISBN
0872596036
9780872596030
URL
http://books.google.com.hk/books?id=MZZZGQAACAAJ&hl=&source=gbs_api