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量刃具厂的福音机械工业部北京机床研究所开发生产的ＪＣＳ００１高精度千分尺螺纹磨床和５７２１０、５７２２０、ＳＢ７２１、ＳＢ７２２丝锥磨床，是我国量刃具行业生产优质产品的高效加工设备。该所从１９６４年到１９８４年２０年内累计生产２３３台。１９８４年以后...
The high-precision micrometer thread grinder JFC001 and the 57210, 57220, SB721, and SB722 tap grinders developed and produced by the Beijing Machine Tool Research Institute of the Ministry of Gospel Machinery Industry of Cutting Tool Factory are high-efficiency processing equipment for high-quality products in China’s cutting tool industry. The Institute produced 233 units in 20 years from 1964 to 1984. After 1984...