Global Dry Vacuum Pumps Market By Type (Dry Roots Vacuum Pumps, Dry Screw Vacuum Pump, Dry Scroll Vacuum Pump, and Dry Claw Vacuum Pumps), By Application (Industrial and Manufacturing, Semiconductor & Electronics, and Chemical & Pharmaceutical Processing), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028