{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Metallographic Instruction for Colour Etching by Immersion: Colour Etching of Non-alloy and Low-alloy Steels and Manganese Steel, Cast Iron and Copper Materials","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3871550884.html\">Metallographic Instruction for Colour Etching by Immersion: Colour Etching of Non-alloy and Low-alloy Steels and Manganese Steel, Cast Iron and Copper Materials</a>","width":400,"height":300}