Global Paa Scale Inhibitor Market By Type (Acrylic Acid Homopolymer, Acrylic Acid / Maleic Acid Copolymer, Acrylic Acid / Sulfonic Acid Copolymer, And Others), By Application (Oilfield Water Injection System, Industrial Cooling Water System, And Others), By Region And Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends And Forecast 2019-2028