{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Specification for seven-wire steel strand for prestressed concrete; [metric units] (BS 3617. 1971)","author_name":"British Standards Institution","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0580061884.html\">Specification for seven-wire steel strand for prestressed concrete; [metric units] (BS 3617. 1971)</a>","width":400,"height":300}