Ярославские радиолюбители отмечают 125-летие создания радио
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6 years ago 00:02:57 2
7 years ago 00:05:49 2
![КАК ОПРЕДЕЛИТЬ ВЫВОДЫ ТРАНЗИСТОРА [РадиолюбительTV 93]](https://sun9-62.userapi.com/gbFdSl92T5vx_c0lbB6phGN_gQYHDHnEwbm4qg/cTuD3_tcr_A.jpg)
8 years ago 00:02:21 2
