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The QSL process used in the lead systemof Northwest Lead And Zinc Smelter(Baiyin Corporation,CNNC)was ignitedon 28 June 1994,charged on 19 July,and successfully worked for 128 hours atthe Northwest Lead and Zinc Smelterafter its failure on 22 December,1990.
The QSL process used in the lead system of Northwest Lead And Zinc Smelter (Baiyin Corporation, CNNC) was ignited on 28 June 1994, charged on 19 July, and successfully worked for 128 hours atthe Northwest Lead and Zinc Smelterafter its failure on 22 December, 1990.