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电子数显卡尺全国行业评比会于1991年7月28日至8月3日在烟台召开。参加行评的共有13个厂家,我部3147厂和3157厂参加了此次行评。行评共评出优等品3家、一等品2
The electronic video caliper national industry appraisal meeting was held in Yantai from July 28 to August 3, 1991. A total of 13 manufacturers participated in the review, and 3147 plants and 3157 plants of our department participated in the review. The review evaluated a total of 3 excellent products and 1 product