Yttrium oxide of phosphor grade--Determination of iron oxide, lead oxide, nickel oxide and copper oxide contents--Emission spectrographic method
NORMA vydaná dňa 25.2.1988
Designation standards: GB/T 8762.4-1988
Note: NEPLATNÁ
Publication date standards: 25.2.1988
Country: Chinese technical standard
Kategória: Technické normy GB