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宁波水表厂研制的电液比例溢流阀、调透阀、方向阀等新产品,于1989年12月11日由宁波市科委组织,在宁波水表厂召开的鉴定会上通过鉴定。经现场检测及资料审查,达到设计规定要求。该产品是浙江大学的科研成果。宁波水表厂对产品零件的工艺结构、材料等作了部分改进,使其适应批量生产。通过浙江大学试验检测,其主要性能参数完全达到设计要求。研制的产品也经用户使用考
Ningbo meter factory developed electro-hydraulic proportional relief valve, valve, directional valve and other new products, on December 11, 1989 by the Ningbo Science and Technology Commission, held at the Ningbo meter factory appraisal meeting. After the on-site testing and data review, to meet the design requirements. This product is a scientific research achievement of Zhejiang University. Ningbo meter factory on the product parts of the process structure, materials, etc. made some improvements to adapt to mass production. Through Zhejiang University test, its main performance parameters fully meet the design requirements. Products developed by the user test