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为了推广水玻璃CO_2砂造型和水爆清砂,提高重型铸钢件的质量和产量,在辽宁省机械局、沈阳市机电局大力支持下,1972年10月13日至19日一机部在沈阳召开了重型行业铸钢经验交流会。参加会议的有一机部重型局、调度局、4个省市机械局、15个工厂和4个研究院所的代表共90人。一机部领导同志在会上讲了话。
In order to promote the modeling of water glass CO2 sand and water blasting, and improve the quality and output of heavy steel castings, under the strong support of the Machinery Bureau of Liaoning Province and the Electrical and Mechanical Bureau of Shenyang, a machine department was in Shenyang from October 13 to 19, 1972. The heavy industry cast steel experience exchange meeting was held. A total of 90 representatives from the Heavy Machinery Bureau, the Dispatching Bureau, the Machinery Bureaus of 4 provinces and cities, 15 factories, and 4 institutes participated in the conference. Leading comrades of the Ministry of Machine Sciences spoke at the meeting.