Global Cellulosic Polymers Market By Type (Cellulose Esters, Cellulose Ethers, and Regenerated Cellulose), By Application (Clothing Industrial, Aerospace and Defense, Automotive, Paper and Pulp, Construction, and Electrical/Insulation), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029