{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Theory and Performance of Axial-Flow Fans : Adapted for the Use of Fan Designers","author_name":"Curt Keller","thumbnail_url":"https://www.ebooknetworking.net/books/B00/1OL/bigB001OL888K.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B001OL888K.html\">The Theory and Performance of Axial-Flow Fans : Adapted for the Use of Fan Designers</a>","width":400,"height":300}