{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"IEC 60507 Ed. 2.0 b:1991, Artificial pollution tests on high-voltage insulators to be used on a.c. systems","author_name":"IEC TC/SC 36","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0XY/bigB000XYS2R6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000XYS2R6.html\">IEC 60507 Ed. 2.0 b:1991, Artificial pollution tests on high-voltage insulators to be used on a.c. systems</a>","width":400,"height":300}