抚顺煤炭科学研究所的广大工人阶级和革命的知识分子在驻所工、军宣和革委会的领导下,遵照伟大领袖毛主席“自力更生”的教导,自行设计和制造了 MGB—1型矿用安全火花型光电导通表。该表适用于有瓦斯及煤尘爆炸危险的矿井,以及地面采矿、铁道隧道、军事工程等爆破现场,作为测量电雷管爆破电路的导通情况和爆破后确定瞎 The majority of the working class and revolutionary intellectuals at the Fushun Coal Research Institute, under the leadership of the local workers, the military propaganda and the revolutionary committee, designed and manufactured the MGB-1 mine on their own according to the guidance of Chairman Mao’s “self-reliance” Safety spark-type photoconductive table. The table is suitable for coal mine gas and coal dust explosion hazards, as well as ground mining, railway tunnels, military engineering and other blasting scene, as a measure of electric detonator blasting circuit conduction and blind after blasting blind