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由冶金部矿山司主持的YL-11型导爆管及YL-11型雷管技术鉴定会,于1991年8月6日至7日在长沙市召开,到会的有冶金、煤炭、有色、化工等系统21个单位,40余名代表。会议通过了技术鉴定。该课题是根据露天铁矿在应用混装车装药条件下,对起爆器材提出特殊匹配要求而确定的,是“七五”期间冶金部重点科研项目。
The YL-11 detonator and YL-11 detonator technology appraisal meeting hosted by the Ministry of Metallurgical Department of Mining Division was held in Changsha City from August 6 to August 7, 1991 and was attended by metallurgy, coal, nonferrous metals, chemical industry System 21 units, more than 40 delegates. The meeting passed the technical appraisal. The subject is determined according to the special matching requirements of the detonating equipment under the conditions of the application of mixed-loading trucks in the open-pit iron mine and is the key scientific research project of the Ministry of Metallurgical Industry during the “Seventh Five-year Plan” period.