Mr. Bert Panman, Chairman IGU Coordination Committee, 2003-2006 (copyright: Gasunie)
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Mr. George H.B. Verberg, IGU President 2003-2006 (copyright: Gasunie)
Mr. Bert Panman, Chairman IGU Coordination Committee, 2003-2006 (copyright: Gasunie)
Mr. George H.B. Verberg, IGU President 2003-2006 (copyright: Gasunie)