| http://www.w3.org/ns/prov#value | - RADNOR, PA - October 28, 2011 - Airgas, Inc. (NYSE: ARG) today announced that beginning December 1, 2011, or as contracts permit, its operating units will increase prices on bulk and packaged industrial, medical, and specialty gases 8 - 10% on average, 10 - 20% on acetylene and fuel gases, and up to 10% for delivery and other service charges.
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