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航空部634所与煤炭部抚顺安全仪器厂联合研制的K J-4煤矿安全监测系统于1986年10月15至17日在辽宁省铁岭市铁法矿务局晓南煤矿通过两部主持的技术鉴定。国务院科技办、国家科委、国家计委、国防科工委等单位出席了会议。该系统在晓南煤矿经过三个月工业性试验,效果良好,在实际连续监测中准确地报警
Ministry of Aviation 634 and KF-4 coal mine safety monitoring system jointly developed by Fushun Safety Instrument Factory of Ministry of Coal Industry passed the two presided over technologies from October 15 to October 17, 1986 in Xiaonan Coal Mine of Tiefa Mining Bureau of Tieling City, Liaoning Province. Identification. Science and Technology Office of the State Council, State Science and Technology Commission, State Planning Commission, State Commission of Science and Technology and other units attended the meeting. The system in Xiaonan coal mine after three months of industrial tests, the effect is good, in the actual continuous monitoring of accurate alarm