{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60151-2 Ed. 1.0 b:1963, Measurements of the electrical properties of electronic tubes and valves. Part 2: Measurement of heater or filament current","author_name":"IEC TC/SC 39","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2SEXO.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2SEXO.html\">IEC 60151-2 Ed. 1.0 b:1963, Measurements of the electrical properties of electronic tubes and valves. Part 2: Measurement of heater or filament current</a>","width":400,"height":300}