UP Chemical Engineering Society, Inc.: Revision history

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20 July 2017

1 December 2016

17 October 2016

14 October 2015

4 August 2015

21 July 2015

12 July 2015

6 July 2015

4 June 2014

2 June 2014

7 February 2013

28 December 2011

12 June 2011

30 May 2011

20 May 2011

10 July 2010

15 September 2009

2 August 2009

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