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由七○四所设计的JH系列缝纫机装配线试制成功,于1987年3月18日在上海轻工局和上海科学院主持下通过鉴定。并交付上海协昌缝纫机厂使用。该装配线经缝纫机行业和输送机械流水线行业的专家评定认为JH系列缝纫机装配
The assembly line of the JH series sewing machine designed by 704 was successfully tested. It passed the appraisal under the auspices of Shanghai Light Industry Bureau and Shanghai Academy of Sciences on March 18, 1987. And delivered to Shanghai Xiechang sewing machine factory. The assembly line has been evaluated by experts in the sewing machine industry and the conveying machinery industry as JH series sewing machine assembly