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产品销售一周内，有任何不满意，不影响二次销售可退换

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产品销售一年内，有任何问题，经工程师鉴定，属产品质量问题，可以免费更换新品

产品销售两年内，有任何问题，经工程师鉴定，非人为损坏，可以免费维修

产品销售一周内，有任何不满意，不影响二次销售可退换

产品销售两年内，有任何问题，经工程师鉴定，非人为损坏，可以免费维修

产品销售一周内，有任何不满意，不影响二次销售可退换

产品销售两年内，有任何问题，经工程师鉴定，非人为损坏，可以免费维修

产品销售一周内，有任何不满意，不影响二次销售可退换

产品销售两年内，有任何问题，经工程师鉴定，非人为损坏，可以免费维修

产品销售一周内，有任何不满意，不影响二次销售可退换

产品销售两年内，有任何问题，经工程师鉴定，非人为损坏，可以免费维修

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