Global Blown Film Extrusion Machinery Market By Type (3 Layer Blown Film Extrusion Machinery, 7 Layer Blown Film Extrusion Machinery, and  Other Types), By Application (Industrial Packaging, Food & Beverages, Consumer Goods, Pharmaceuticals, and Other Applications), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2021-2031