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按机械电子工业部机质(1990)003号文《关于下达1990年机械产品质量评比计划的通知》的要求,从5月22日至7月11日,由国家试验机产品质量监督检验测试中心依据一九九○年度压力试验机行业产品质量评比实施细则、GB3722-83液压式压力试验机、JB/YQ038-87液压式压力试验机产品质量分等标准的规定,对长春试验机厂、济南试验机厂、天水红山试验机厂、浙江省金华市试验机总厂、广州试验仪器厂、山东省威海市试验机厂及无锡建筑材料仪器机械厂等七个企业的三种规格(2000kN、500kN和300kN)、五种型号(YE-2000A型、YE-500A型、TYE-500型、YE-300型和NYL-2000D型),共16台产品
According to the requirements of the Circular of the Ministry of Machinery and Electronic Industry (No.2090) 003, “Circular on Issuing Machinery and Equipment Quality Evaluation Plan in 1990”, from May 22 to July 11, the National Testing Machine Products Quality Supervision and Testing Center In accordance with the Regulations for the Quality Evaluation of Products in the Pressure Tester Industry in 1990, the provisions of the product quality classification standards of the hydraulic pressure testing machine GB3722-83 and the JB / YQ038-87 hydraulic pressure testing machine, the testing machine factory in Changchun, Jinan Test Machine Factory, Tianshui Hongshan test machine factory, Zhejiang Jinhua City Testing Machine Factory, Guangzhou test equipment factory, Weihai City, Shandong Province, testing machine factory and Wuxi Building Materials Instrument Machinery Factory three specifications (2000kN, 500kN and 300kN), five models (YE-2000A, YE-500A, TYE-500, YE-300 and NYL-2000D)