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近年来由于钢铁、机械、动力以及航空工业的迅速发展,无损试验也在不断的普及和提高。各国从事于无捐试验工作的人员、设备以及研究机构也在相应的增加,因而产生了国防无损试验协会。并且曾先后在比利时、美国、日本召开过第一、第二、第三届国际无损试验会议。1963年9月在英国伦敦举行第四届国际无损试验会议。会议由英国无损试验协会和机械工程学会主持。参加会议者有:中国、法国、日本、美国、德国、波兰、苏联、匈牙利以及瑞典等二十多个国家。出席人数约500余人(英国列度人数除外)
In recent years due to the rapid development of steel, machinery, power and aviation industry, nondestructive testing is also constantly popularized and improved. There is also a corresponding increase in the number of personnel, equipment and research institutes engaged in non-donation test work in various countries, resulting in the National Defense Nondestructive Testing Association. And has held in Belgium, the United States, Japan held the first, second, third international nondestructive testing conference. September 1963 held in London, England, the Fourth International Nondestructive Testing Conference. The meeting was hosted by the British Society for Nondestructive Testing and Mechanical Engineering. Participants include: China, France, Japan, the United States, Germany, Poland, the Soviet Union, Hungary and Sweden, more than 20 countries. Attendance of about 500 people (excluding the number of British column)