Global Metering Pumps Market By Type (Megahertz Wave Metamaterials, Photon Supermaterial, Variable Supermaterial, And Electromagnetic Gas Metamaterials), By Application (Communication Antenna, Windscreen, Solar Panel, Sensing, Display, And Medical Imaging), By Region And Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends And Forecast 2019-2028