Global Copper Alloy Foil Market By Type (Brass Foil , Phosphor Bronze Foil , Copper Nickel Foils , Nickel-silver Foil , and Other Copper Alloy Foil), By Application (Radiator material , Electrical , Instrument , Mould , and Others ), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029