{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ISO 17123-4:2001, Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 4: Electro-optical distance meters (EDM instruments)","author_name":"ISO/TC 172/SC 6","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0XY/bigB000XYSJ74.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000XYSJ74.html\">ISO 17123-4:2001, Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 4: Electro-optical distance meters (EDM instruments)</a>","width":400,"height":300}