Company:  POLYPORE INTERNATIONAL, I ... (PPO)
Form Type:  SC 13G/A
Filing Date:  3/12/2012 
CIK:  0001292556 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$40.28  
Change: 
0.43 (1.08%)  
Trade Time: 
May 17  
Market Cap: 
$1.88B
Description of Business
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  FORM SC 13G/A