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							PDF(2720 KB) 
						
						
					 
			Cleanness control of sulfur bearing gear steel 20CrMnTiH
ZENG Yao-xian
Iron and Steel ›› 2021, Vol. 56 ›› Issue (2) : 76-81.
 PDF(2720 KB)
						
							PDF(2720 KB) 
						
						
					 PDF(2720 KB)
						
							PDF(2720 KB) 
						
						
					Cleanness control of sulfur bearing gear steel 20CrMnTiH
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