{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ISO 3738-2:1988, Hardmetals - Rockwell hardness test (scale A) - Part 2 : Preparation and calibration of standard test blocks","author_name":"ISO TC 119/SC 4","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2SXQC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2SXQC.html\">ISO 3738-2:1988, Hardmetals - Rockwell hardness test (scale A) - Part 2 : Preparation and calibration of standard test blocks</a>","width":400,"height":300}