{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60424-4 Ed. 1.0 b:2001, Ferrite cores - Guide on the limits of surface irregularities - Part 4: Ring-cores","author_name":"IEC TC/SC 51","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2LIL4.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2LIL4.html\">IEC 60424-4 Ed. 1.0 b:2001, Ferrite cores - Guide on the limits of surface irregularities - Part 4: Ring-cores</a>","width":400,"height":300}