国家科委矿业安全组自1979年10月成立一年多来,在组织推动矿业安全科研工作上已取得了初步成果。 冶金部在爆破安全技术方面,研制成功了无起爆药电雷管,并经过试验鉴定,准备申报发明专利。新型的安全的二次破碎技术──工频电(3,600伏)破碎大块也已经过鉴定,科委授予国家发明四 Since its establishment in October 1979, the State Science and Technology Commission for Mining Safety has made initial achievements in organizing the promotion of scientific research on mining safety. Ministry of Metallurgical in blasting safety technology, the successful development of non-detonated drug detonator, and after the test identification, to declare the invention patent. The new safety of the second crushing technology ─ ─ frequency (3,600 volts) broken pieces have also been identified, the Commission awarded the State Invention IV