{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60050-421 Ed. 1.0 b:1990, International Electrotechnical Vocabulary. Chapter 421: Power transformers and reactors","author_name":"IEC TC/SC 1","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2SCQS.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2SCQS.html\">IEC 60050-421 Ed. 1.0 b:1990, International Electrotechnical Vocabulary. Chapter 421: Power transformers and reactors</a>","width":400,"height":300}