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