A process and apparatus for producing sub micron fibers, and more specifically a process and apparatus for effecting {TAIL ~ formation} of sub micron fibers by fibrillation of {HEAD ~ polymer films}, and nonwoven materials and articles incorporating them 
A process and apparatus for producing sub micron fibers , and more specifically a process and apparatus for effecting { TAIL ~ formation } of sub micron fibers by fibrillation of { HEAD ~ polymer films } , and nonwoven materials and articles incorporating them
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