日本三丰牌电子数显外径千分尺编号规格293﹣761﹣300﹣25×0.01mm(0.00005″)293﹣762﹣3025﹣50×0.01mm(0.00005″)293﹣763﹣3050﹣75×0.01mm(0.00005″)293﹣764﹣3075﹣100×0.01mm(0.00005″)293﹣561﹣300﹣25×0.01mm293﹣562﹣3025﹣50×0.01mm293﹣563﹣3050﹣75×0.01mm293﹣564﹣3075﹣100×0.01mm293﹣521﹣300﹣25×0.01mm293﹣522﹣3025﹣50×0.01mm293﹣523﹣3050﹣75×0.01mm293﹣524﹣3075﹣100×0.01mm293﹣551﹣30100﹣125×0.01mm293﹣552﹣30125﹣150×0.01mm293﹣553﹣30150﹣175×0.01mm293﹣554﹣30175﹣200×0.01mm293﹣751﹣30100﹣125×0.01mm(0.00005″)293﹣752﹣30125﹣150×0.01mm(0.00005″)293﹣753﹣30150﹣175×0.01mm(0.00005″)293﹣754﹣30175﹣200×0.01mm(0.00005″)293﹣755﹣30200﹣225×0.01mm(0.00005″)293﹣756﹣30225﹣250×0.01mm(0.00005″)293﹣757﹣30250﹣275×0.01mm(0.00005″)293﹣758﹣30275﹣300×0.01mm(0.00005″))