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8月1日,开封市集邮协会在驻汴部队举办“庆祖国六十华诞展改革开放成就”集邮展览。这次活动标志着“进军
August 1, Kaifeng City Philatelic Association held in the Forces unit ”celebrate the motherland sixty-year anniversary of the achievements of reform and opening up “ Philately exhibition. This event marks ”march