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双光路激光测径仪于77年初开始研制,78年底进行了实验室鉴定,又经过实验室运行考验,于79年十一月份安装于北京钢厂无缝钢管成品检验线进行实验。在半年多的实验中表明仪器的性能稳定,工作可靠。80年10月29日在北京市冶金局的主持下,在北京钢厂召开了技术鉴定会。参加会议的除研制单位冶金部自动化研究所和使用单位北京钢厂外,还有有关的科研、设计、高等院校及有关的仪器厂等二十多个单位。
Dual optical laser diameter measuring instrument was developed in early 77, 78 at the end of the laboratory identified, and after the laboratory test, in November 79 installed in Beijing Steel Seamless Steel Tube finished product testing line for experiments. More than six months in the experiment showed that the performance of the instrument is stable and reliable work. October 29, 1980 under the auspices of the Beijing Municipal Metallurgical Bureau, the Beijing Steel Mill held a technical appraisal. Apart from the Beijing Institute of Metallurgy Automation, which is a research institute of the Ministry of Metallurgy, and more than 20 units related to scientific research, design, institutions of higher learning and related instrument factories, the participants attended the conference.