| http://www.w3.org/ns/prov#value | - US6327892 *May 15, 1998Dec 11, 2001Japan Pionics Co., Ltd.Apparatus and method for measuring oxygen diffusing capacity and heating packetUS6333087Aug 27, 1998Dec 25, 2001Chevron Chemical Company LlcCan be used to package foods, beverages or other oxygen sensitive materials, and thereby increase shelf-life by decreasing oxygen in package and decreasing oxidation of productUS6365247Sep 22, 1997Apr 2
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