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煤炭工业部举办防治瓦斯学习班煤炭工业部一九七七年秋季在北京举办了全国煤矿防治瓦斯学习班。参加学习班的有二十个省、市煤炭(燃化)局、五十二个矿务局(矿)主管安全工作的负责人、工程技术人员和工人共二百六十五人。这次学习班学习了二十项防治瓦斯、煤尘等专业技术知识,研
Ministry of Coal Industry to Hold Seminar on Prevention and Control of Methane The Coal Industry Department of the Ministry of Coal Industry held a national coal mine methane prevention and control workshop in Beijing in the autumn of 1977. Twenty-five provincial and municipal coal (combustion) bureaus and 52 miners (mines) supervisors responsible for safety work, engineers and technicians and workers attended the seminar. This study class has studied twenty technical knowledge of prevention and control of gas, coal dust and other research