The Contract Goods shall at a minimum be marked with serial number and year of manufacturing if not otherwise stated in the technical specifications.
如果技术规范中没有特别规定，则合同产品上至少要标注上编号及制造年份等内容。
The Contract Goods shall at a minimum be marked with serial number and year of manufacturing if not otherwise stated in the technical specifications.
如果技术规范中没有特别规定，则合同产品上至少要标注上编号及制造年份等内容。
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