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各工程局、桥梁厂、客运专线指挥部:根据国务院440号令《中华人民共和国工业产品生产许可证管理条例》的要求,铁路预应力混凝土简支梁(简称铁路桥简支梁)为国家生产许可证发证项目。国家质量监督检验检疫总局全国工业产品生产许可证办公室授权铁道部产品质量监督检验中心为全国
Engineering Bureau, Bridge Factory and Passenger Dedicated Line Headquarters: According to the requirements of the State Council Decree No. 440 “Regulations of the People’s Republic of China on the Administration of Industrial Products Production Permits”, the prestressed concrete prestressed concrete railway (referred to as railway bridge simply supported beam) is the national production license Certificate issuing project. National Administration of Quality Supervision, Inspection and Quarantine of the National Industrial Products Manufacturing Permit Office authorized the Ministry of Railways product quality supervision and inspection center for the country