Global Thermocouples and High End Optical Pyrometer Market By Type (Chromel Gold/iron Alloy Thermocouple, Platinum/molybdenum Alloy Thermocouple, and Iridium/rhodium Alloy Thermocouple), By Application (Steel Industry, Manufacturing Industry, and Power Industry), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028