Air Liquide http://www.oerlikon.co.th Air Liquide News en Copyright 2005-2010 Air Liquide Mon, 21 May 2012 17:39:25 +0000 <![CDATA[3A Welding system]]> Mon, 14 Feb 2011 00:00:00 +0100 http://www.oerlikon.co.th/en/rss/3a-welding-system-1.html