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哈尔滨焊接研究所最近研制成功了一种哈焊170-1型截齿,这种新型产品获国家专利。它适用于国产MG-170、MG-200和西德EDW170-L、EDW300型采煤机。
Harbin Institute of Welding recently successfully developed a Harbin welding 170-1-type pick, this new product won the national patent. It applies to domestic MG-170, MG-200 and West Germany EDW170-L, EDW300 Shearer.