{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"S7-300 PLC and MM440 and application of the principle of the inverter","author_name":"MA NING KONG HONG ZHU","thumbnail_url":"https://www.ebooknetworking.net/books/711/119/big7111196678.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-7111196678.html\">S7-300 PLC and MM440 and application of the principle of the inverter</a>","width":400,"height":300}