{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Duct construction;: A handbook on the fabrication and installation of heating, ventilating, and air conditioning ducts, round pipes, stacks, fittings, heater, coil, and washer housings;","author_name":"O. W Kothe","thumbnail_url":"https://www.ebooknetworking.net/books/B00/086/bigB00086FY5M.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00086FY5M.html\">Duct construction;: A handbook on the fabrication and installation of heating, ventilating, and air conditioning ducts, round pipes, stacks, fittings, heater, coil, and washer housings;</a>","width":400,"height":300}