{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Exhaust ventilation of deep cuts using a continuous-mining machine","author_name":"Unknown","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HN/bigB003HNNKVI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HNNKVI.html\">Exhaust ventilation of deep cuts using a continuous-mining machine</a>","width":400,"height":300}