我厂引进了电焊机制造技术。在去年四月份第一批引进的技术图纸到后,经过一年的试制,今年四月份制造出了“S”系列六种十二台样机。经一机部,中机公司和上海市机电一局等有关部门的验收达到合格。四月十七日至四月三十日法国西雅基 I plant the introduction of welding machine manufacturing technology. After the introduction of the first batch of technical drawings in April last year, after one year of trial production, six “12” prototypes of the “S” series were manufactured in April this year. The acceptance of the relevant departments of the First Machine Department, the China Machine Company, and the Shanghai Municipal Bureau of Electrical and Mechanical Services has passed the inspection. From April 17 to April 30 in Syracuse, France