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1977年11月25日在河北省石家庄市召开了一机部铁基粉末等离子堆焊现场技术交流会。会议由哈尔滨焊接研究所和石家庄阀门二厂共同组织,得到了河北省机械局和石家庄市机械局的热情关怀和大力支持,会议收到了预期效果。参加这次会议有十七个省市的三十五个单位五十七名代表,除一机系统的代表外,还邀请了解放军装甲兵部队、铁道部、水电部的代表等。会议开得生动活泼,代表们参观了石二
November 25, 1977 held in Shijiazhuang City, Hebei Province, a machine-based iron-based plasma welding plasma welding site technical exchange. The meeting was jointly organized by Harbin Welding Research Institute and Shijiazhuang Valve Factory No. 2, and received enthusiastic care and support from Hebei Machinery Bureau and Shijiazhuang Municipal Bureau of Machinery. The meeting received the expected results. Fifty-seven delegates of 35 units from 17 provinces and cities attended the conference. In addition to the one-machine system representatives, PLA armored units, railway ministries and the Ministry of Water and Electricity were also invited. The meeting opened lively and the delegates visited Stone II