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煤炭科学院常州自动化研究所,山东省无线电厂研制和生产的CK—2型采煤通讯、信号、控制装置于9月16日至18日在济南市由电子工业部和煤炭工业部共同主持召开的生产定型会上通过了生产定
CK-2 type coal mining communication, signal and control device developed and produced by Changzhou Institute of Automation Institute of Coal Science and Shandong Radio Factory co-chaired by Jinan City Department of Electronics Industry and Ministry of Coal Industry from September 16 to September 18 Production stereotypes passed the production set