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联邦德国FUNKE+HUSTER公司的本安型报警电话,1987年初在兴隆庄矿投入使用后,山东省煤研所和兴隆庄煤矿共同承担了该电话的技术消化工作,并提
Federal Republic of Germany FUNKE + HUSTER’s intrinsically safe type alarm call, put into use in early 1987 in Xinglongzhuang, Shandong Coal Institute and Xinglongzhuang coal mine shared the technical digestion of the phone, and mention