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   _____     ___      _  __   __   __    ______  
  / ___//   / _ \\   | |/ //  \ \\/ //  /_   _// 
  \___ \\  / //\ \\  | ' //    \ ` //   `-| |,-  
  /    // |  ___  || | . \\     | ||      | ||   
 /____//  |_||  |_|| |_|\_\\    |_||      |_||   
`-----`   `-`   `-`  `-` --`    `-`'      `-`'

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Text this: POLYETHERSULFONE HOLLOW FIBER GAS SEPARATION MEMBRANES PREPARED FROM SOLVENT SYSTEMS CONTAINING NONSOLVENT-ADDITIVES