{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Roloff/Matek Maschinenelemente: Normung, Berechnung, Gestaltung (German Edition)","author_name":"Wittel, Herbert","thumbnail_url":"https://www.ebooknetworking.net/books/365/809/big3658090812.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3658090812.html\">Roloff/Matek Maschinenelemente: Normung, Berechnung, Gestaltung (German Edition)</a>","width":400,"height":300}