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CK-2型采煤通讯信号、控制装置在将成果转化为生产力方面有较好的经济效益,获第三次全国煤炭科学技术大会二等奖。
CK-2 coal mining communication signals and control devices have good economic benefits in converting the achievements into productive forces and won the second prize of the Third National Coal Science and Technology Conference.