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