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由威海气动元件厂负责研制的QCY 系列气动系统用除油器、QGL 系列空气精密过滤器两项产品,一九八五年十二月二十五日～二十七日在威海通过了技术鉴定。
The QCY series pneumatic system degreaser and QGL series air precision filter developed by Weihai Pneumatic Component Factory passed the technical appraisal in Weihai from December 25 to 27, .