| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
		
			| GB/T 12690.3-1990 | English | 199 | 
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                    Days<=2
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                    Cerium and cerium oxide--Determination of lanthanum oxide, praseodymium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--Emission spectrographic method
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                    GB/T 12690.3-1990
                 | Obsolete | 
                    GB/T 12690.3-1990
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