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由北京矿冶研究总院研究设计,山东嘉祥农机厂加工制造,在淮南谢一矿和内蒙海勃湾矿务局露天煤矿安装井进行工业性试验和试用的M122—1型采制样联合机
By the Beijing Research Institute of Mining and Metallurgical Research and Design, Shandong Jiaxiang Nongji Chang processing and manufacturing, in Inner Mongolia and Inner Mongolia seamounts Bay Mine Bureau of Mines open pit mining wells for industrial testing and trial M122-1 sampling joint machine