{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60235-4A Ed. 1.0 b:1975, Measurement of the electrical properties of microwave tubes - Part 4: Magnetrons - First supplement: Clause 4: Voltage tunable magnetron","author_name":"IEC TC/SC 39","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2SFQ0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2SFQ0.html\">IEC 60235-4A Ed. 1.0 b:1975, Measurement of the electrical properties of microwave tubes - Part 4: Magnetrons - First supplement: Clause 4: Voltage tunable magnetron</a>","width":400,"height":300}