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001 9910712539203321
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100   $a20230509c1984uuuu  -u-            -
101 0 $aeng
200 10$aHeavy-duty engine exhaust particulate trap evaluation
210   $aAnn Arbor, Michigan$cEnvironmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division
906   $aBOOK
912   $a9910712539203321
996   $aHeavy-duty engine exhaust particulate trap evaluation$93348346
997   $aUNINA