{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60255-21-3 Ed. 1.0 b:1993, Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests","author_name":"IEC TC/SC 95","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Y2/bigB000Y2SG28.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Y2SG28.html\">IEC 60255-21-3 Ed. 1.0 b:1993, Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests</a>","width":400,"height":300}