{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Heat-Treatment of Steel: A Comprehensive Treatise On the Hardening, Tempering, Annealing and Casehardening of Various Kinds of Steel, Including ... Chapters On Heat-Treating Furnaces and On","author_name":"Erik Oberg","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9IZ/bigB009IZTQBW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009IZTQBW.html\">Heat-Treatment of Steel: A Comprehensive Treatise On the Hardening, Tempering, Annealing and Casehardening of Various Kinds of Steel, Including ... Chapters On Heat-Treating Furnaces and On</a>","width":400,"height":300}