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GB 50242-2002 第3.1.3条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering

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GB 50242-2002 第3.1.3条

| | The main materials, equipment, finished products, and semi-finished products used in the project shall have quality qualification certificates in Chinese, and their specifications, models, and performance test reports shall comply with national technical standards or design requirements. |

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