{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Variable capacitors = Condensateurs variables = Einstellbare Kondensatore (BS 5786. Part 1. 1979)","author_name":"British Standards Institution","thumbnail_url":"https://www.ebooknetworking.net/books/058/010/big058010933X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-058010933X.html\">Variable capacitors = Condensateurs variables = Einstellbare Kondensatore (BS 5786. Part 1. 1979)</a>","width":400,"height":300}