Global Plate & Frame Heat Exchangers Market By Type (Brazed Plate & Frame Heat Exchangers, Gasketed Plate & Frame Heat Exchangers, Welded Plate & Frame Heat Exchangers), By Application (Chemical, Oil & Gas, Petrochemical, HVACR, Food & Beverage, Pulp & Paper, Power Generation), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028