{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ISO 7807:1983, Air distribution -- Straight circular sheet metal ducts with a lock type spiral seam and straight rectangular sheet metal ducts -- Dimensions","author_name":"ISO TC 144","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2TGWM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2TGWM.html\">ISO 7807:1983, Air distribution -- Straight circular sheet metal ducts with a lock type spiral seam and straight rectangular sheet metal ducts -- Dimensions</a>","width":400,"height":300}